12810861

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4729}}^1$

素因数の和:4785

約数の個数: 24

約数和(自身を含む): 21644480

約数和(自身を除く): 8833619

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4729, 14187, 33103, 42561, 99309, 203347, 297927, 610041, 1423429, 1830123, 4270287, 12810861]

約数ペア:

[(1, 12810861), (3, 4270287), (7, 1830123), (9, 1423429), (21, 610041), (43, 297927), (63, 203347), (129, 99309), (301, 42561), (387, 33103), (903, 14187), (2709, 4729)]