81508735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211711}}^1$

素因数の和:211734

約数の個数: 16

約数和(自身を含む): 121946112

約数和(自身を除く): 40437377

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 211711, 1058555, 1481977, 2328821, 7409885, 11644105, 16301747, 81508735]

約数ペア:

[(1, 81508735), (5, 16301747), (7, 11644105), (11, 7409885), (35, 2328821), (55, 1481977), (77, 1058555), (385, 211711)]