16746021

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{7129}}^1$

素因数の和:7170

約数の個数: 20

約数和(自身を含む): 25881900

約数和(自身を除く): 9135879

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 7129, 21387, 64161, 192483, 206741, 577449, 620223, 1860669, 5582007, 16746021]

約数ペア:

[(1, 16746021), (3, 5582007), (9, 1860669), (27, 620223), (29, 577449), (81, 206741), (87, 192483), (261, 64161), (783, 21387), (2349, 7129)]