87138405

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13931}}^1$

素因数の和:14081

約数の個数: 24

約数和(自身を含む): 152137440

約数和(自身を除く): 64999035

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 13931, 41793, 69655, 125379, 208965, 626895, 1936409, 5809227, 9682045, 17427681, 29046135, 87138405]

約数ペア:

[(1, 87138405), (3, 29046135), (5, 17427681), (9, 9682045), (15, 5809227), (45, 1936409), (139, 626895), (417, 208965), (695, 125379), (1251, 69655), (2085, 41793), (6255, 13931)]