2080786671

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{709}}^1\times {\mathrm{1489}}^1$

素因数の和:2280

約数の個数: 32

約数和(自身を含む): 3131384000

約数和(自身を除く): 1050597329

約数列:

[1, 3, 9, 27, 73, 219, 657, 709, 1489, 1971, 2127, 4467, 6381, 13401, 19143, 40203, 51757, 108697, 155271, 326091, 465813, 978273, 1055701, 1397439, 2934819, 3167103, 9501309, 28503927, 77066173, 231198519, 693595557, 2080786671]

約数ペア:

[(1, 2080786671), (3, 693595557), (9, 231198519), (27, 77066173), (73, 28503927), (219, 9501309), (657, 3167103), (709, 2934819), (1489, 1397439), (1971, 1055701), (2127, 978273), (4467, 465813), (6381, 326091), (13401, 155271), (19143, 108697), (40203, 51757)]