25420059

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5683}}^1$

素因数の和:5767

約数の個数: 24

約数和(自身を含む): 42561792

約数和(自身を除く): 17141733

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5683, 17049, 39781, 51147, 119343, 358029, 403493, 1210479, 2824451, 3631437, 8473353, 25420059]

約数ペア:

[(1, 25420059), (3, 8473353), (7, 3631437), (9, 2824451), (21, 1210479), (63, 403493), (71, 358029), (213, 119343), (497, 51147), (639, 39781), (1491, 17049), (4473, 5683)]