2591391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4133}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 3968640

約数和(自身を除く): 1377249

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 4133, 12399, 45463, 78527, 136389, 235581, 863797, 2591391]

約数ペア:

[(1, 2591391), (3, 863797), (11, 235581), (19, 136389), (33, 78527), (57, 45463), (209, 12399), (627, 4133)]