15715479

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 22955520

約数和(自身を除く): 7240041

約数列:

[1, 3, 13, 39, 139, 169, 223, 417, 507, 669, 1807, 2899, 5421, 8697, 23491, 30997, 37687, 70473, 92991, 113061, 402961, 1208883, 5238493, 15715479]

約数ペア:

[(1, 15715479), (3, 5238493), (13, 1208883), (39, 402961), (139, 113061), (169, 92991), (223, 70473), (417, 37687), (507, 30997), (669, 23491), (1807, 8697), (2899, 5421)]