388640799

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 568518912

約数和(自身を除く): 179878113

約数列:

[1, 3, 9, 107, 321, 443, 911, 963, 1329, 2733, 3987, 8199, 47401, 97477, 142203, 292431, 403573, 426609, 877293, 1210719, 3632157, 43182311, 129546933, 388640799]

約数ペア:

[(1, 388640799), (3, 129546933), (9, 43182311), (107, 3632157), (321, 1210719), (443, 877293), (911, 426609), (963, 403573), (1329, 292431), (2733, 142203), (3987, 97477), (8199, 47401)]