87842781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{1109}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 136969560

約数和(自身を除く): 49126779

約数列:

[1, 3, 9, 13, 39, 117, 677, 1109, 2031, 3327, 6093, 8801, 9981, 14417, 26403, 43251, 79209, 129753, 750793, 2252379, 6757137, 9760309, 29280927, 87842781]

約数ペア:

[(1, 87842781), (3, 29280927), (9, 9760309), (13, 6757137), (39, 2252379), (117, 750793), (677, 129753), (1109, 79209), (2031, 43251), (3327, 26403), (6093, 14417), (8801, 9981)]