8129709

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 13737152

約数和(自身を除く): 5607443

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 3001, 9003, 21007, 27009, 63021, 129043, 189063, 387129, 903301, 1161387, 2709903, 8129709]

約数ペア:

[(1, 8129709), (3, 2709903), (7, 1161387), (9, 903301), (21, 387129), (43, 189063), (63, 129043), (129, 63021), (301, 27009), (387, 21007), (903, 9003), (2709, 3001)]