15941457

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1847}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 26522496

約数和(自身を除く): 10581039

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1847, 2877, 5541, 8631, 12929, 16623, 38787, 116361, 253039, 759117, 1771273, 2277351, 5313819, 15941457]

約数ペア:

[(1, 15941457), (3, 5313819), (7, 2277351), (9, 1771273), (21, 759117), (63, 253039), (137, 116361), (411, 38787), (959, 16623), (1233, 12929), (1847, 8631), (2877, 5541)]