331372233

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{19913}}^1$

素因数の和:20005

約数の個数: 18

約数和(自身を含む): 490063626

約数和(自身を除く): 158691393

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 16641, 19913, 59739, 179217, 856259, 2568777, 7706331, 36819137, 110457411, 331372233]

約数ペア:

[(1, 331372233), (3, 110457411), (9, 36819137), (43, 7706331), (129, 2568777), (387, 856259), (1849, 179217), (5547, 59739), (16641, 19913)]