78561189

素因数分解:

$3^2\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{1231}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 129921792

約数和(自身を除く): 51360603

約数列:

[1, 3, 7, 9, 21, 63, 1013, 1231, 3039, 3693, 7091, 8617, 9117, 11079, 21273, 25851, 63819, 77553, 1247003, 3741009, 8729021, 11223027, 26187063, 78561189]

約数ペア:

[(1, 78561189), (3, 26187063), (7, 11223027), (9, 8729021), (21, 3741009), (63, 1247003), (1013, 77553), (1231, 63819), (3039, 25851), (3693, 21273), (7091, 11079), (8617, 9117)]