172171011

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 243809280

約数和(自身を除く): 71638269

約数列:

[1, 3, 43, 47, 73, 129, 141, 219, 389, 1167, 2021, 3139, 3431, 6063, 9417, 10293, 16727, 18283, 28397, 50181, 54849, 85191, 147533, 442599, 786169, 1221071, 1334659, 2358507, 3663213, 4003977, 57390337, 172171011]

約数ペア:

[(1, 172171011), (3, 57390337), (43, 4003977), (47, 3663213), (73, 2358507), (129, 1334659), (141, 1221071), (219, 786169), (389, 442599), (1167, 147533), (2021, 85191), (3139, 54849), (3431, 50181), (6063, 28397), (9417, 18283), (10293, 16727)]