777798009

素因数分解:

$3^2\times {\mathrm{29}}^2\times {\mathrm{102761}}^1$

素因数の和:102825

約数の個数: 18

約数和(自身を含む): 1163574126

約数和(自身を除く): 385776117

約数列:

[1, 3, 9, 29, 87, 261, 841, 2523, 7569, 102761, 308283, 924849, 2980069, 8940207, 26820621, 86422001, 259266003, 777798009]

約数ペア:

[(1, 777798009), (3, 259266003), (9, 86422001), (29, 26820621), (87, 8940207), (261, 2980069), (841, 924849), (2523, 308283), (7569, 102761)]