2112891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 3146880

約数和(自身を除く): 1033989

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1489, 4467, 16379, 49137, 64027, 192081, 704297, 2112891]

約数ペア:

[(1, 2112891), (3, 704297), (11, 192081), (33, 64027), (43, 49137), (129, 16379), (473, 4467), (1419, 1489)]