12986505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41227}}^1$

素因数の和:41245

約数の個数: 24

約数和(自身を含む): 25726272

約数和(自身を除く): 12739767

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 41227, 123681, 206135, 288589, 371043, 618405, 865767, 1442945, 1855215, 2597301, 4328835, 12986505]

約数ペア:

[(1, 12986505), (3, 4328835), (5, 2597301), (7, 1855215), (9, 1442945), (15, 865767), (21, 618405), (35, 371043), (45, 288589), (63, 206135), (105, 123681), (315, 41227)]