71174781

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{12037}}^1$

素因数の和:12122

約数の個数: 20

約数和(自身を含む): 107788252

約数和(自身を除く): 36613471

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 12037, 36111, 108333, 324999, 878701, 974997, 2636103, 7908309, 23724927, 71174781]

約数ペア:

[(1, 71174781), (3, 23724927), (9, 7908309), (27, 2636103), (73, 974997), (81, 878701), (219, 324999), (657, 108333), (1971, 36111), (5913, 12037)]