1089405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 1935648

約数和(自身を除く): 846243

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 563, 645, 1689, 1935, 2815, 5067, 8445, 24209, 25335, 72627, 121045, 217881, 363135, 1089405]

約数ペア:

[(1, 1089405), (3, 363135), (5, 217881), (9, 121045), (15, 72627), (43, 25335), (45, 24209), (129, 8445), (215, 5067), (387, 2815), (563, 1935), (645, 1689)]