168555891

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{757}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 268950528

約数和(自身を除く): 100394637

約数列:

[1, 3, 7, 21, 23, 69, 161, 461, 483, 757, 1383, 2271, 3227, 5299, 9681, 10603, 15897, 17411, 31809, 52233, 74221, 121877, 222663, 348977, 365631, 1046931, 2442839, 7328517, 8026471, 24079413, 56185297, 168555891]

約数ペア:

[(1, 168555891), (3, 56185297), (7, 24079413), (21, 8026471), (23, 7328517), (69, 2442839), (161, 1046931), (461, 365631), (483, 348977), (757, 222663), (1383, 121877), (2271, 74221), (3227, 52233), (5299, 31809), (9681, 17411), (10603, 15897)]