1561455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4975

約数の個数: 24

約数和(自身を含む): 3093792

約数和(自身を除く): 1532337

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 4957, 14871, 24785, 34699, 44613, 74355, 104097, 173495, 223065, 312291, 520485, 1561455]

約数ペア:

[(1, 1561455), (3, 520485), (5, 312291), (7, 223065), (9, 173495), (15, 104097), (21, 74355), (35, 44613), (45, 34699), (63, 24785), (105, 14871), (315, 4957)]