49142781

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{19571}}^1$

素因数の和:19614

約数の個数: 20

約数和(自身を含む): 75782784

約数和(自身を除く): 26640003

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 19571, 58713, 176139, 528417, 606701, 1585251, 1820103, 5460309, 16380927, 49142781]

約数ペア:

[(1, 49142781), (3, 16380927), (9, 5460309), (27, 1820103), (31, 1585251), (81, 606701), (93, 528417), (279, 176139), (837, 58713), (2511, 19571)]