131681205

素因数分解:

$3^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{2381}}^1$

素因数の和:3621

約数の個数: 24

約数和(自身を含む): 228529080

約数和(自身を除く): 96847875

約数列:

[1, 3, 5, 9, 15, 45, 1229, 2381, 3687, 6145, 7143, 11061, 11905, 18435, 21429, 35715, 55305, 107145, 2926249, 8778747, 14631245, 26336241, 43893735, 131681205]

約数ペア:

[(1, 131681205), (3, 43893735), (5, 26336241), (9, 14631245), (15, 8778747), (45, 2926249), (1229, 107145), (2381, 55305), (3687, 35715), (6145, 21429), (7143, 18435), (11061, 11905)]