12487041

素因数分解:

$3^6\times 7^1\times {\mathrm{2447}}^1$

素因数の和:2472

約数の個数: 28

約数和(自身を含む): 21405312

約数和(自身を除く): 8918271

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2447, 5103, 7341, 17129, 22023, 51387, 66069, 154161, 198207, 462483, 594621, 1387449, 1783863, 4162347, 12487041]

約数ペア:

[(1, 12487041), (3, 4162347), (7, 1783863), (9, 1387449), (21, 594621), (27, 462483), (63, 198207), (81, 154161), (189, 66069), (243, 51387), (567, 22023), (729, 17129), (1701, 7341), (2447, 5103)]