131427359

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 160488288

約数和(自身を除く): 29060929

約数列:

[1, 7, 23, 49, 161, 277, 421, 1127, 1939, 2947, 6371, 9683, 13573, 20629, 44597, 67781, 116617, 312179, 474467, 816319, 2682191, 5714233, 18775337, 131427359]

約数ペア:

[(1, 131427359), (7, 18775337), (23, 5714233), (49, 2682191), (161, 816319), (277, 474467), (421, 312179), (1127, 116617), (1939, 67781), (2947, 44597), (6371, 20629), (9683, 13573)]