39487545

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20407}}^1$

素因数の和:20461

約数の個数: 24

約数和(自身を含む): 70040256

約数和(自身を除く): 30552711

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20407, 61221, 102035, 183663, 306105, 877501, 918315, 2632503, 4387505, 7897509, 13162515, 39487545]

約数ペア:

[(1, 39487545), (3, 13162515), (5, 7897509), (9, 4387505), (15, 2632503), (43, 918315), (45, 877501), (129, 306105), (215, 183663), (387, 102035), (645, 61221), (1935, 20407)]