56331855

素因数分解:

$3^4\times 5^1\times {\mathrm{139091}}^1$

素因数の和:139108

約数の個数: 20

約数和(自身を含む): 100980792

約数和(自身を除く): 44648937

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 139091, 417273, 695455, 1251819, 2086365, 3755457, 6259095, 11266371, 18777285, 56331855]

約数ペア:

[(1, 56331855), (3, 18777285), (5, 11266371), (9, 6259095), (15, 3755457), (27, 2086365), (45, 1251819), (81, 695455), (135, 417273), (405, 139091)]