2939781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 4321856

約数和(自身を除く): 1382075

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 1753, 5259, 22789, 68367, 75379, 226137, 979927, 2939781]

約数ペア:

[(1, 2939781), (3, 979927), (13, 226137), (39, 75379), (43, 68367), (129, 22789), (559, 5259), (1677, 1753)]