28157445

素因数分解:

$3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1201}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 48940632

約数和(自身を除く): 20783187

約数列:

[1, 3, 5, 9, 15, 45, 521, 1201, 1563, 2605, 3603, 4689, 6005, 7815, 10809, 18015, 23445, 54045, 625721, 1877163, 3128605, 5631489, 9385815, 28157445]

約数ペア:

[(1, 28157445), (3, 9385815), (5, 5631489), (9, 3128605), (15, 1877163), (45, 625721), (521, 54045), (1201, 23445), (1563, 18015), (2605, 10809), (3603, 7815), (4689, 6005)]