51397965

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{16087}}^1$

素因数の和:16169

約数の個数: 24

約数和(自身を含む): 90350208

約数和(自身を除く): 38952243

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 16087, 48261, 80435, 144783, 241305, 723915, 1142177, 3426531, 5710885, 10279593, 17132655, 51397965]

約数ペア:

[(1, 51397965), (3, 17132655), (5, 10279593), (9, 5710885), (15, 3426531), (45, 1142177), (71, 723915), (213, 241305), (355, 144783), (639, 80435), (1065, 48261), (3195, 16087)]