31890321

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7927}}^1$

素因数の和:8085

約数の個数: 16

約数和(自身を含む): 47568000

約数和(自身を除く): 15677679

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7927, 23781, 71343, 214029, 1181123, 3543369, 10630107, 31890321]

約数ペア:

[(1, 31890321), (3, 10630107), (9, 3543369), (27, 1181123), (149, 214029), (447, 71343), (1341, 23781), (4023, 7927)]