2877721

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 3857760

約数和(自身を除く): 980039

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 281, 539, 931, 1463, 1967, 3091, 5339, 10241, 13769, 21637, 37373, 58729, 151459, 261611, 411103, 2877721]

約数ペア:

[(1, 2877721), (7, 411103), (11, 261611), (19, 151459), (49, 58729), (77, 37373), (133, 21637), (209, 13769), (281, 10241), (539, 5339), (931, 3091), (1463, 1967)]