28331109

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3853}}^1$

素因数の和:3921

約数の個数: 24

約数和(自身を含む): 44089760

約数和(自身を除く): 15758651

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3853, 7353, 11559, 34677, 73207, 165679, 219621, 497037, 658863, 1491111, 3147901, 9443703, 28331109]

約数ペア:

[(1, 28331109), (3, 9443703), (9, 3147901), (19, 1491111), (43, 658863), (57, 497037), (129, 219621), (171, 165679), (387, 73207), (817, 34677), (2451, 11559), (3853, 7353)]