25280955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 53037504

約数和(自身を除く): 27756549

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 4721, 5355, 14163, 23605, 33047, 42489, 70815, 80257, 99141, 165235, 212445, 240771, 297423, 401285, 495705, 561799, 722313, 1203855, 1487115, 1685397, 2808995, 3611565, 5056191, 8426985, 25280955]

約数ペア:

[(1, 25280955), (3, 8426985), (5, 5056191), (7, 3611565), (9, 2808995), (15, 1685397), (17, 1487115), (21, 1203855), (35, 722313), (45, 561799), (51, 495705), (63, 401285), (85, 297423), (105, 240771), (119, 212445), (153, 165235), (255, 99141), (315, 80257), (357, 70815), (595, 42489), (765, 33047), (1071, 23605), (1785, 14163), (4721, 5355)]