87292881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17351}}^1$

素因数の和:17413

約数の個数: 24

約数和(自身を含む): 138954816

約数和(自身を除く): 51661935

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 17351, 52053, 156159, 225563, 676689, 746093, 2030067, 2238279, 6714837, 9699209, 29097627, 87292881]

約数ペア:

[(1, 87292881), (3, 29097627), (9, 9699209), (13, 6714837), (39, 2238279), (43, 2030067), (117, 746093), (129, 676689), (387, 225563), (559, 156159), (1677, 52053), (5031, 17351)]