31686837

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3137}}^1$

素因数の和:3197

約数の個数: 32

約数和(自身を含む): 53421312

約数和(自身を除く): 21734475

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3137, 3367, 9411, 10101, 21959, 40781, 65877, 116069, 122343, 285467, 348207, 812483, 856401, 1508897, 2437449, 4526691, 10562279, 31686837]

約数ペア:

[(1, 31686837), (3, 10562279), (7, 4526691), (13, 2437449), (21, 1508897), (37, 856401), (39, 812483), (91, 348207), (111, 285467), (259, 122343), (273, 116069), (481, 65877), (777, 40781), (1443, 21959), (3137, 10101), (3367, 9411)]