12986715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17669}}^1$

素因数の和:17691

約数の個数: 24

約数和(自身を含む): 24172560

約数和(自身を除く): 11185845

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 17669, 53007, 88345, 123683, 265035, 371049, 618415, 865781, 1855245, 2597343, 4328905, 12986715]

約数ペア:

[(1, 12986715), (3, 4328905), (5, 2597343), (7, 1855245), (15, 865781), (21, 618415), (35, 371049), (49, 265035), (105, 123683), (147, 88345), (245, 53007), (735, 17669)]