2644521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 3883008

約数和(自身を除く): 1238487

約数列:

[1, 3, 11, 33, 127, 381, 631, 1397, 1893, 4191, 6941, 20823, 80137, 240411, 881507, 2644521]

約数ペア:

[(1, 2644521), (3, 881507), (11, 240411), (33, 80137), (127, 20823), (381, 6941), (631, 4191), (1397, 1893)]