12746727

素因数分解:

$3^4\times 7^1\times {\mathrm{22481}}^1$

素因数の和:22500

約数の個数: 20

約数和(自身を含む): 21762576

約数和(自身を除く): 9015849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22481, 67443, 157367, 202329, 472101, 606987, 1416303, 1820961, 4248909, 12746727]

約数ペア:

[(1, 12746727), (3, 4248909), (7, 1820961), (9, 1416303), (21, 606987), (27, 472101), (63, 202329), (81, 157367), (189, 67443), (567, 22481)]