8422281

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3165

約数の個数: 24

約数和(自身を含む): 14231360

約数和(自身を除く): 5809079

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 3109, 9327, 21763, 27981, 65289, 133687, 195867, 401061, 935809, 1203183, 2807427, 8422281]

約数ペア:

[(1, 8422281), (3, 2807427), (7, 1203183), (9, 935809), (21, 401061), (43, 195867), (63, 133687), (129, 65289), (301, 27981), (387, 21763), (903, 9327), (2709, 3109)]