2019675465

素因数分解:

$3^4\times 5^1\times {\mathrm{4986853}}^1$

素因数の和:4986870

約数の個数: 20

約数和(自身を含む): 3620456004

約数和(自身を除く): 1600780539

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4986853, 14960559, 24934265, 44881677, 74802795, 134645031, 224408385, 403935093, 673225155, 2019675465]

約数ペア:

[(1, 2019675465), (3, 673225155), (5, 403935093), (9, 224408385), (15, 134645031), (27, 74802795), (45, 44881677), (81, 24934265), (135, 14960559), (405, 4986853)]