47157471

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{1987}}^1$

素因数の和:2292

約数の個数: 20

約数和(自身を含む): 70721112

約数和(自身を除く): 23563641

約数列:

[1, 3, 9, 27, 81, 293, 879, 1987, 2637, 5961, 7911, 17883, 23733, 53649, 160947, 582191, 1746573, 5239719, 15719157, 47157471]

約数ペア:

[(1, 47157471), (3, 15719157), (9, 5239719), (27, 1746573), (81, 582191), (293, 160947), (879, 53649), (1987, 23733), (2637, 17883), (5961, 7911)]