12857313

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 20401920

約数和(自身を除く): 7544607

約数列:

[1, 3, 7, 21, 41, 109, 123, 137, 287, 327, 411, 763, 861, 959, 2289, 2877, 4469, 5617, 13407, 14933, 16851, 31283, 39319, 44799, 93849, 104531, 117957, 313593, 612253, 1836759, 4285771, 12857313]

約数ペア:

[(1, 12857313), (3, 4285771), (7, 1836759), (21, 612253), (41, 313593), (109, 117957), (123, 104531), (137, 93849), (287, 44799), (327, 39319), (411, 31283), (763, 16851), (861, 14933), (959, 13407), (2289, 5617), (2877, 4469)]