71334837

素因数分解:

$3^6\times 7^2\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 42

約数和(自身を含む): 124477398

約数和(自身を除く): 53142561

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 1997, 3969, 5103, 5991, 11907, 13979, 17973, 35721, 41937, 53919, 97853, 125811, 161757, 293559, 377433, 485271, 880677, 1132299, 1455813, 2642031, 3396897, 7926093, 10190691, 23778279, 71334837]

約数ペア:

[(1, 71334837), (3, 23778279), (7, 10190691), (9, 7926093), (21, 3396897), (27, 2642031), (49, 1455813), (63, 1132299), (81, 880677), (147, 485271), (189, 377433), (243, 293559), (441, 161757), (567, 125811), (729, 97853), (1323, 53919), (1701, 41937), (1997, 35721), (3969, 17973), (5103, 13979), (5991, 11907)]