31168851

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4991

約数の個数: 24

約数和(自身を含む): 49477824

約数和(自身を除く): 18308973

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 4931, 6321, 14793, 34517, 103551, 212033, 241619, 636099, 724857, 1484231, 4452693, 10389617, 31168851]

約数ペア:

[(1, 31168851), (3, 10389617), (7, 4452693), (21, 1484231), (43, 724857), (49, 636099), (129, 241619), (147, 212033), (301, 103551), (903, 34517), (2107, 14793), (4931, 6321)]