81406359

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 119781792

約数和(自身を除く): 38375433

約数列:

[1, 3, 9, 103, 137, 309, 411, 641, 927, 1233, 1923, 5769, 14111, 42333, 66023, 87817, 126999, 198069, 263451, 594207, 790353, 9045151, 27135453, 81406359]

約数ペア:

[(1, 81406359), (3, 27135453), (9, 9045151), (103, 790353), (137, 594207), (309, 263451), (411, 198069), (641, 126999), (927, 87817), (1233, 66023), (1923, 42333), (5769, 14111)]