72157953

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180847}}^1$

素因数の和:180876

約数の個数: 16

約数和(自身を含む): 115742720

約数和(自身を除く): 43584767

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180847, 542541, 1265929, 3436093, 3797787, 10308279, 24052651, 72157953]

約数ペア:

[(1, 72157953), (3, 24052651), (7, 10308279), (19, 3797787), (21, 3436093), (57, 1265929), (133, 542541), (399, 180847)]