28655685

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1637}}^1$

素因数の和:2037

約数の個数: 24

約数和(自身を含む): 49827960

約数和(自身を除く): 21172275

約数列:

[1, 3, 5, 9, 15, 45, 389, 1167, 1637, 1945, 3501, 4911, 5835, 8185, 14733, 17505, 24555, 73665, 636793, 1910379, 3183965, 5731137, 9551895, 28655685]

約数ペア:

[(1, 28655685), (3, 9551895), (5, 5731137), (9, 3183965), (15, 1910379), (45, 636793), (389, 73665), (1167, 24555), (1637, 17505), (1945, 14733), (3501, 8185), (4911, 5835)]