27638415

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{9749}}^1$

素因数の和:9773

約数の個数: 40

約数和(自身を含む): 56628000

約数和(自身を除く): 28989585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 9749, 29247, 48745, 68243, 87741, 146235, 204729, 263223, 341215, 438705, 614187, 789669, 1023645, 1316115, 1842561, 3070935, 3948345, 5527683, 9212805, 27638415]

約数ペア:

[(1, 27638415), (3, 9212805), (5, 5527683), (7, 3948345), (9, 3070935), (15, 1842561), (21, 1316115), (27, 1023645), (35, 789669), (45, 614187), (63, 438705), (81, 341215), (105, 263223), (135, 204729), (189, 146235), (315, 87741), (405, 68243), (567, 48745), (945, 29247), (2835, 9749)]