643670397

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{15259}}^1$

素因数の和:15417

約数の個数: 24

約数和(自身を含む): 960159200

約数和(自身を除く): 316488803

約数列:

[1, 3, 9, 43, 109, 129, 327, 387, 981, 4687, 14061, 15259, 42183, 45777, 137331, 656137, 1663231, 1968411, 4989693, 5905233, 14969079, 71518933, 214556799, 643670397]

約数ペア:

[(1, 643670397), (3, 214556799), (9, 71518933), (43, 14969079), (109, 5905233), (129, 4989693), (327, 1968411), (387, 1663231), (981, 656137), (4687, 137331), (14061, 45777), (15259, 42183)]