12609981

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 18776576

約数和(自身を除く): 6166595

約数列:

[1, 3, 9, 61, 103, 183, 223, 309, 549, 669, 927, 2007, 6283, 13603, 18849, 22969, 40809, 56547, 68907, 122427, 206721, 1401109, 4203327, 12609981]

約数ペア:

[(1, 12609981), (3, 4203327), (9, 1401109), (61, 206721), (103, 122427), (183, 68907), (223, 56547), (309, 40809), (549, 22969), (669, 18849), (927, 13603), (2007, 6283)]