1206009

素因数分解:

$3^5\times 7^1\times {\mathrm{709}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 2067520

約数和(自身を除く): 861511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 709, 1701, 2127, 4963, 6381, 14889, 19143, 44667, 57429, 134001, 172287, 402003, 1206009]

約数ペア:

[(1, 1206009), (3, 402003), (7, 172287), (9, 134001), (21, 57429), (27, 44667), (63, 19143), (81, 14889), (189, 6381), (243, 4963), (567, 2127), (709, 1701)]