12217995

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4451}}^1$

素因数の和:4523

約数の個数: 24

約数和(自身を含む): 21529872

約数和(自身を除く): 9311877

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 4451, 13353, 22255, 40059, 66765, 200295, 271511, 814533, 1357555, 2443599, 4072665, 12217995]

約数ペア:

[(1, 12217995), (3, 4072665), (5, 2443599), (9, 1357555), (15, 814533), (45, 271511), (61, 200295), (183, 66765), (305, 40059), (549, 22255), (915, 13353), (2745, 4451)]