2190111

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 3840000

約数和(自身を除く): 1649889

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 499, 627, 1463, 1497, 3493, 4389, 5489, 9481, 10479, 16467, 28443, 38423, 66367, 104291, 115269, 199101, 312873, 730037, 2190111]

約数ペア:

[(1, 2190111), (3, 730037), (7, 312873), (11, 199101), (19, 115269), (21, 104291), (33, 66367), (57, 38423), (77, 28443), (133, 16467), (209, 10479), (231, 9481), (399, 5489), (499, 4389), (627, 3493), (1463, 1497)]