123540345

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{6521}}^1$

素因数の和:6953

約数の個数: 24

約数和(自身を含む): 214678152

約数和(自身を除く): 91137807

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 2105, 3789, 6315, 6521, 18945, 19563, 32605, 58689, 97815, 293445, 2745341, 8236023, 13726705, 24708069, 41180115, 123540345]

約数ペア:

[(1, 123540345), (3, 41180115), (5, 24708069), (9, 13726705), (15, 8236023), (45, 2745341), (421, 293445), (1263, 97815), (2105, 58689), (3789, 32605), (6315, 19563), (6521, 18945)]