207978099

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{19927}}^1$

素因数の和:20015

約数の個数: 24

約数和(自身を含む): 327138048

約数和(自身を除く): 119159949

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 19927, 59781, 139489, 418467, 976423, 1414817, 2929269, 4244451, 9903719, 29711157, 69326033, 207978099]

約数ペア:

[(1, 207978099), (3, 69326033), (7, 29711157), (21, 9903719), (49, 4244451), (71, 2929269), (147, 1414817), (213, 976423), (497, 418467), (1491, 139489), (3479, 59781), (10437, 19927)]