18057825

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4754

約数の個数: 36

約数和(自身を含む): 34253388

約数和(自身を除く): 16195563

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 4721, 14163, 23605, 42489, 70815, 80257, 118025, 212445, 240771, 354075, 401285, 722313, 1062225, 1203855, 2006425, 3611565, 6019275, 18057825]

約数ペア:

[(1, 18057825), (3, 6019275), (5, 3611565), (9, 2006425), (15, 1203855), (17, 1062225), (25, 722313), (45, 401285), (51, 354075), (75, 240771), (85, 212445), (153, 118025), (225, 80257), (255, 70815), (425, 42489), (765, 23605), (1275, 14163), (3825, 4721)]