25200357

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13187}}^1$

素因数の和:13217

約数の個数: 24

約数和(自身を含む): 42096096

約数和(自身を除く): 16895739

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 13187, 39561, 92309, 171431, 276927, 514293, 646163, 1200017, 1938489, 3600051, 8400119, 25200357]

約数ペア:

[(1, 25200357), (3, 8400119), (7, 3600051), (13, 1938489), (21, 1200017), (39, 646163), (49, 514293), (91, 276927), (147, 171431), (273, 92309), (637, 39561), (1911, 13187)]