13072731

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 21086208

約数和(自身を除く): 8013477

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 467, 651, 903, 1333, 1401, 3269, 3999, 9331, 9807, 14477, 20081, 27993, 43431, 60243, 101339, 140567, 304017, 421701, 622511, 1867533, 4357577, 13072731]

約数ペア:

[(1, 13072731), (3, 4357577), (7, 1867533), (21, 622511), (31, 421701), (43, 304017), (93, 140567), (129, 101339), (217, 60243), (301, 43431), (467, 27993), (651, 20081), (903, 14477), (1333, 9807), (1401, 9331), (3269, 3999)]