291246231987

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{77603579}}^1$

素因数の和:77603727

約数の個数: 16

約数和(自身を含む): 434580048000

約数和(自身を除く): 143333816013

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 77603579, 232810737, 698432211, 2095296633, 10786897481, 32360692443, 97082077329, 291246231987]

約数ペア:

[(1, 291246231987), (3, 97082077329), (9, 32360692443), (27, 10786897481), (139, 2095296633), (417, 698432211), (1251, 232810737), (3753, 77603579)]