15940215

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5807}}^1$

素因数の和:5879

約数の個数: 24

約数和(自身を含む): 28087488

約数和(自身を除く): 12147273

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 5807, 17421, 29035, 52263, 87105, 261315, 354227, 1062681, 1771135, 3188043, 5313405, 15940215]

約数ペア:

[(1, 15940215), (3, 5313405), (5, 3188043), (9, 1771135), (15, 1062681), (45, 354227), (61, 261315), (183, 87105), (305, 52263), (549, 29035), (915, 17421), (2745, 5807)]