28665027

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 42810768

約数和(自身を除く): 14145741

約数列:

[1, 3, 9, 41, 123, 131, 369, 393, 593, 1179, 1779, 5337, 5371, 16113, 24313, 48339, 72939, 77683, 218817, 233049, 699147, 3185003, 9555009, 28665027]

約数ペア:

[(1, 28665027), (3, 9555009), (9, 3185003), (41, 699147), (123, 233049), (131, 218817), (369, 77683), (393, 72939), (593, 48339), (1179, 24313), (1779, 16113), (5337, 5371)]