25880001

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{72493}}^1$

素因数の和:72520

約数の個数: 16

約数和(自身を含む): 41756544

約数和(自身を除く): 15876543

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 72493, 217479, 507451, 1232381, 1522353, 3697143, 8626667, 25880001]

約数ペア:

[(1, 25880001), (3, 8626667), (7, 3697143), (17, 1522353), (21, 1232381), (51, 507451), (119, 217479), (357, 72493)]