12657827

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 16394112

約数和(自身を除く): 3736285

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 641, 1519, 2821, 4487, 8333, 19747, 19871, 31409, 58331, 139097, 258323, 408317, 973679, 1808261, 12657827]

約数ペア:

[(1, 12657827), (7, 1808261), (13, 973679), (31, 408317), (49, 258323), (91, 139097), (217, 58331), (403, 31409), (637, 19871), (641, 19747), (1519, 8333), (2821, 4487)]