220897467

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{14549}}^1$

素因数の和:14803

約数の個数: 24

約数和(自身を含む): 366194400

約数和(自身を除く): 145296933

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 2169, 5061, 14549, 15183, 43647, 101843, 130941, 305529, 916587, 3506309, 10518927, 24544163, 31556781, 73632489, 220897467]

約数ペア:

[(1, 220897467), (3, 73632489), (7, 31556781), (9, 24544163), (21, 10518927), (63, 3506309), (241, 916587), (723, 305529), (1687, 130941), (2169, 101843), (5061, 43647), (14549, 15183)]