561081645

素因数分解:

$3^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{5851}}^1$

素因数の和:7993

約数の個数: 24

約数和(自身を含む): 973164192

約数和(自身を除く): 412082547

約数列:

[1, 3, 5, 9, 15, 45, 2131, 5851, 6393, 10655, 17553, 19179, 29255, 31965, 52659, 87765, 95895, 263295, 12468481, 37405443, 62342405, 112216329, 187027215, 561081645]

約数ペア:

[(1, 561081645), (3, 187027215), (5, 112216329), (9, 62342405), (15, 37405443), (45, 12468481), (2131, 263295), (5851, 95895), (6393, 87765), (10655, 52659), (17553, 31965), (19179, 29255)]