72009729

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{80819}}^1$

素因数の和:80842

約数の個数: 20

約数和(自身を含む): 117350640

約数和(自身を除く): 45340911

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 80819, 242457, 727371, 889009, 2182113, 2667027, 6546339, 8001081, 24003243, 72009729]

約数ペア:

[(1, 72009729), (3, 24003243), (9, 8001081), (11, 6546339), (27, 2667027), (33, 2182113), (81, 889009), (99, 727371), (297, 242457), (891, 80819)]