15726641

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 24

約数和(自身を含む): 19536384

約数和(自身を除く): 3809743

約数列:

[1, 7, 23, 31, 137, 161, 217, 529, 713, 959, 3151, 3703, 4247, 4991, 16399, 22057, 29729, 72473, 97681, 114793, 507311, 683767, 2246663, 15726641]

約数ペア:

[(1, 15726641), (7, 2246663), (23, 683767), (31, 507311), (137, 114793), (161, 97681), (217, 72473), (529, 29729), (713, 22057), (959, 16399), (3151, 4991), (3703, 4247)]