331128045

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{56171}}^1$

素因数の和:56313

約数の個数: 24

約数和(自身を含む): 578346912

約数和(自身を除く): 247218867

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 5895, 56171, 168513, 280855, 505539, 842565, 2527695, 7358401, 22075203, 36792005, 66225609, 110376015, 331128045]

約数ペア:

[(1, 331128045), (3, 110376015), (5, 66225609), (9, 36792005), (15, 22075203), (45, 7358401), (131, 2527695), (393, 842565), (655, 505539), (1179, 280855), (1965, 168513), (5895, 56171)]