2587905

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 4530240

約数和(自身を除く): 1942335

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 439, 655, 1179, 1317, 1965, 2195, 3951, 5895, 6585, 19755, 57509, 172527, 287545, 517581, 862635, 2587905]

約数ペア:

[(1, 2587905), (3, 862635), (5, 517581), (9, 287545), (15, 172527), (45, 57509), (131, 19755), (393, 6585), (439, 5895), (655, 3951), (1179, 2195), (1317, 1965)]