520515

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 926640

約数和(自身を除く): 406125

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 269, 387, 645, 807, 1345, 1935, 2421, 4035, 11567, 12105, 34701, 57835, 104103, 173505, 520515]

約数ペア:

[(1, 520515), (3, 173505), (5, 104103), (9, 57835), (15, 34701), (43, 12105), (45, 11567), (129, 4035), (215, 2421), (269, 1935), (387, 1345), (645, 807)]