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Nice dpfps

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  • marcus.michel
    Some dpfps have the property that both members start with the same prime. Here are same instances: 2^3*19^2*127 2*7^2*13*19^3*181 abundancy 720/361 3^3*5
    Message 1 of 1 , May 24 9:03 AM
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      Some dpfps have the property that both members start with the same
      prime.
      Here are same instances:

      2^3*19^2*127
      2*7^2*13*19^3*181
      abundancy 720/361

      3^3*5
      3^2*7*13
      abundancy 16/9

      7^5*11*19*43
      7^8*13*19^3*37*181*1063
      abundancy 23040/16807

      11^3*13*43*61^2*79*97
      11^2*19*31*43^2*61*79^2*631
      abundancy 31610880/25073257

      13^2*31^3*37*61*83
      13*23*31^2*83^2*331*367
      abundancy 1225728/1036919

      17*19*37*43^2*79*307*631
      17^2*23*37^2*43^3*67*307^2*367*733
      abundancy 425779200/357047447

      19^2*127
      19^4*151*911
      abundancy 384/361

      23^2*37*79*137
      23*37^3*73*137^2
      abundancy 127680/116587

      and last, only one found for 31
      31*43*53*73^2*83*103*137^2*151^2*307*331*367*461^4*547*617*1093^2*1801
      *23971*398581
      31^2*43^2*67*73*79*137*151*163*307^2*331^2*367^2*433*461^3*547^2*613*6
      31*733*1093*2617*3463*5233*106261
      abundancy
      5052878450522398695315178782720/4397372153897210688772404368287

      Is it possible to find dpfps where both members start with a higher
      prime like 37, 41, ... ?
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