206768205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{656407}}^1$

素因数の和:656425

約数の個数: 24

約数和(自身を含む): 409598592

約数和(自身を除く): 202830387

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 656407, 1969221, 3282035, 4594849, 5907663, 9846105, 13784547, 22974245, 29538315, 41353641, 68922735, 206768205]

約数ペア:

[(1, 206768205), (3, 68922735), (5, 41353641), (7, 29538315), (9, 22974245), (15, 13784547), (21, 9846105), (35, 5907663), (45, 4594849), (63, 3282035), (105, 1969221), (315, 656407)]