87638943

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{38287}}^1$

素因数の和:38406

約数の個数: 16

約数和(自身を含む): 134773760

約数和(自身を除く): 47134817

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 38287, 114861, 268009, 804027, 4173283, 12519849, 29212981, 87638943]

約数ペア:

[(1, 87638943), (3, 29212981), (7, 12519849), (21, 4173283), (109, 804027), (327, 268009), (763, 114861), (2289, 38287)]