1719417

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2048

約数の個数: 16

約数和(自身を含む): 2685312

約数和(自身を除く): 965895

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1997, 5991, 13979, 41937, 81877, 245631, 573139, 1719417]

約数ペア:

[(1, 1719417), (3, 573139), (7, 245631), (21, 81877), (41, 41937), (123, 13979), (287, 5991), (861, 1997)]