28804509

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 42928704

約数和(自身を除く): 14124195

約数列:

[1, 3, 9, 41, 123, 251, 311, 369, 753, 933, 2259, 2799, 10291, 12751, 30873, 38253, 78061, 92619, 114759, 234183, 702549, 3200501, 9601503, 28804509]

約数ペア:

[(1, 28804509), (3, 9601503), (9, 3200501), (41, 702549), (123, 234183), (251, 114759), (311, 92619), (369, 78061), (753, 38253), (933, 30873), (2259, 12751), (2799, 10291)]