13128815

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 18788112

約数和(自身を除く): 5659297

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1307, 1435, 2009, 6535, 9149, 10045, 45745, 53587, 64043, 267935, 320215, 375109, 1875545, 2625763, 13128815]

約数ペア:

[(1, 13128815), (5, 2625763), (7, 1875545), (35, 375109), (41, 320215), (49, 267935), (205, 64043), (245, 53587), (287, 45745), (1307, 10045), (1435, 9149), (2009, 6535)]