28091565

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36721}}^1$

素因数の和:36749

約数の個数: 24

約数和(自身を含む): 51557688

約数和(自身を除く): 23466123

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 36721, 110163, 183605, 330489, 550815, 624257, 1652445, 1872771, 3121285, 5618313, 9363855, 28091565]

約数ペア:

[(1, 28091565), (3, 9363855), (5, 5618313), (9, 3121285), (15, 1872771), (17, 1652445), (45, 624257), (51, 550815), (85, 330489), (153, 183605), (255, 110163), (765, 36721)]