216138167

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5399}}^1$

素因数の和:5475

約数の個数: 24

約数和(自身を含む): 270864000

約数和(自身を除く): 54725833

約数列:

[1, 7, 19, 43, 49, 133, 301, 817, 931, 2107, 5399, 5719, 37793, 40033, 102581, 232157, 264551, 718067, 1625099, 4410983, 5026469, 11375693, 30876881, 216138167]

約数ペア:

[(1, 216138167), (7, 30876881), (19, 11375693), (43, 5026469), (49, 4410983), (133, 1625099), (301, 718067), (817, 264551), (931, 232157), (2107, 102581), (5399, 40033), (5719, 37793)]