12509259

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 19863360

約数和(自身を除く): 7354101

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 1979, 2107, 5937, 6321, 13853, 41559, 85097, 96971, 255291, 290913, 595679, 1787037, 4169753, 12509259]

約数ペア:

[(1, 12509259), (3, 4169753), (7, 1787037), (21, 595679), (43, 290913), (49, 255291), (129, 96971), (147, 85097), (301, 41559), (903, 13853), (1979, 6321), (2107, 5937)]