15665786019

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{6397}}^1\times {\mathrm{6977}}^1$

素因数の和:13396

約数の個数: 32

約数和(自身を含む): 25001336640

約数和(自身を除く): 9335550621

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 6397, 6977, 19191, 20931, 57573, 62793, 83161, 90701, 172719, 188379, 249483, 272103, 748449, 816309, 2245347, 2448927, 44631869, 133895607, 401686821, 580214297, 1205060463, 1740642891, 5221928673, 15665786019]

約数ペア:

[(1, 15665786019), (3, 5221928673), (9, 1740642891), (13, 1205060463), (27, 580214297), (39, 401686821), (117, 133895607), (351, 44631869), (6397, 2448927), (6977, 2245347), (19191, 816309), (20931, 748449), (57573, 272103), (62793, 249483), (83161, 188379), (90701, 172719)]