7681557

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 11272800

約数和(自身を除く): 3591243

約数列:

[1, 3, 13, 39, 109, 139, 169, 327, 417, 507, 1417, 1807, 4251, 5421, 15151, 18421, 23491, 45453, 55263, 70473, 196963, 590889, 2560519, 7681557]

約数ペア:

[(1, 7681557), (3, 2560519), (13, 590889), (39, 196963), (109, 70473), (139, 55263), (169, 45453), (327, 23491), (417, 18421), (507, 15151), (1417, 5421), (1807, 4251)]