551565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 1168128

約数和(自身を除く): 616563

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 103, 105, 119, 153, 255, 309, 315, 357, 515, 595, 721, 765, 927, 1071, 1545, 1751, 1785, 2163, 3605, 4635, 5253, 5355, 6489, 8755, 10815, 12257, 15759, 26265, 32445, 36771, 61285, 78795, 110313, 183855, 551565]

約数ペア:

[(1, 551565), (3, 183855), (5, 110313), (7, 78795), (9, 61285), (15, 36771), (17, 32445), (21, 26265), (35, 15759), (45, 12257), (51, 10815), (63, 8755), (85, 6489), (103, 5355), (105, 5253), (119, 4635), (153, 3605), (255, 2163), (309, 1785), (315, 1751), (357, 1545), (515, 1071), (595, 927), (721, 765)]