2721047

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 3360000

約数和(自身を除く): 638953

約数列:

[1, 7, 19, 41, 133, 287, 499, 779, 3493, 5453, 9481, 20459, 66367, 143213, 388721, 2721047]

約数ペア:

[(1, 2721047), (7, 388721), (19, 143213), (41, 66367), (133, 20459), (287, 9481), (499, 5453), (779, 3493)]