15561405

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5669}}^1$

素因数の和:5741

約数の個数: 24

約数和(自身を含む): 27420120

約数和(自身を除く): 11858715

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 5669, 17007, 28345, 51021, 85035, 255105, 345809, 1037427, 1729045, 3112281, 5187135, 15561405]

約数ペア:

[(1, 15561405), (3, 5187135), (5, 3112281), (9, 1729045), (15, 1037427), (45, 345809), (61, 255105), (183, 85035), (305, 51021), (549, 28345), (915, 17007), (2745, 5669)]