12971547

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 20367360

約数和(自身を除く): 7395813

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 2447, 5301, 7341, 22023, 46493, 75857, 139479, 227571, 418437, 682713, 1441283, 4323849, 12971547]

約数ペア:

[(1, 12971547), (3, 4323849), (9, 1441283), (19, 682713), (31, 418437), (57, 227571), (93, 139479), (171, 75857), (279, 46493), (589, 22023), (1767, 7341), (2447, 5301)]