20171636955

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1059713}}^1$

素因数の和:1059777

約数の個数: 40

約数和(自身を含む): 36928913472

約数和(自身を除く): 16757276517

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 405, 423, 705, 1269, 2115, 3807, 6345, 19035, 1059713, 3179139, 5298565, 9537417, 15895695, 28612251, 47687085, 49806511, 85836753, 143061255, 149419533, 249032555, 429183765, 448258599, 747097665, 1344775797, 2241292995, 4034327391, 6723878985, 20171636955]

約数ペア:

[(1, 20171636955), (3, 6723878985), (5, 4034327391), (9, 2241292995), (15, 1344775797), (27, 747097665), (45, 448258599), (47, 429183765), (81, 249032555), (135, 149419533), (141, 143061255), (235, 85836753), (405, 49806511), (423, 47687085), (705, 28612251), (1269, 15895695), (2115, 9537417), (3807, 5298565), (6345, 3179139), (19035, 1059713)]