81172233

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{28097}}^1$

素因数の和:28213

約数の個数: 16

約数和(自身を含む): 121383360

約数和(自身を除く): 40211127

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 28097, 84291, 252873, 758619, 3006379, 9019137, 27057411, 81172233]

約数ペア:

[(1, 81172233), (3, 27057411), (9, 9019137), (27, 3006379), (107, 758619), (321, 252873), (963, 84291), (2889, 28097)]