25479279

素因数分解:

$3^6\times 7^1\times {\mathrm{4993}}^1$

素因数の和:5018

約数の個数: 28

約数和(自身を含む): 43667536

約数和(自身を除く): 18188257

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 4993, 5103, 14979, 34951, 44937, 104853, 134811, 314559, 404433, 943677, 1213299, 2831031, 3639897, 8493093, 25479279]

約数ペア:

[(1, 25479279), (3, 8493093), (7, 3639897), (9, 2831031), (21, 1213299), (27, 943677), (63, 404433), (81, 314559), (189, 134811), (243, 104853), (567, 44937), (729, 34951), (1701, 14979), (4993, 5103)]