16991883

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{21701}}^1$

素因数の和:21739

約数の個数: 16

約数和(自身を含む): 26042400

約数和(自身を除く): 9050517

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 21701, 65103, 195309, 585927, 629329, 1887987, 5663961, 16991883]

約数ペア:

[(1, 16991883), (3, 5663961), (9, 1887987), (27, 629329), (29, 585927), (87, 195309), (261, 65103), (783, 21701)]