12211785

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6311}}^1$

素因数の和:6365

約数の個数: 24

約数和(自身を含む): 21662784

約数和(自身を除く): 9450999

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6311, 18933, 31555, 56799, 94665, 271373, 283995, 814119, 1356865, 2442357, 4070595, 12211785]

約数ペア:

[(1, 12211785), (3, 4070595), (5, 2442357), (9, 1356865), (15, 814119), (43, 283995), (45, 271373), (129, 94665), (215, 56799), (387, 31555), (645, 18933), (1935, 6311)]