28553589

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 42561792

約数和(自身を除く): 14008203

約数列:

[1, 3, 9, 41, 123, 223, 347, 369, 669, 1041, 2007, 3123, 9143, 14227, 27429, 42681, 77381, 82287, 128043, 232143, 696429, 3172621, 9517863, 28553589]

約数ペア:

[(1, 28553589), (3, 9517863), (9, 3172621), (41, 696429), (123, 232143), (223, 128043), (347, 82287), (369, 77381), (669, 42681), (1041, 27429), (2007, 14227), (3123, 9143)]