12957147

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4783}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 21891584

約数和(自身を除く): 8934437

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4783, 14349, 33481, 43047, 100443, 205669, 301329, 617007, 1439683, 1851021, 4319049, 12957147]

約数ペア:

[(1, 12957147), (3, 4319049), (7, 1851021), (9, 1439683), (21, 617007), (43, 301329), (63, 205669), (129, 100443), (301, 43047), (387, 33481), (903, 14349), (2709, 4783)]