47392857

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{25439}}^1$

素因数の和:25474

約数の個数: 20

約数和(自身を含む): 73877760

約数和(自身を除く): 26484903

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 25439, 76317, 228951, 585097, 686853, 1755291, 2060559, 5265873, 15797619, 47392857]

約数ペア:

[(1, 47392857), (3, 15797619), (9, 5265873), (23, 2060559), (27, 1755291), (69, 686853), (81, 585097), (207, 228951), (621, 76317), (1863, 25439)]