128855691

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{5743}}^1$

素因数の和:6032

約数の個数: 20

約数和(自身を含む): 193216672

約数和(自身を除く): 64360981

約数列:

[1, 3, 9, 27, 81, 277, 831, 2493, 5743, 7479, 17229, 22437, 51687, 155061, 465183, 1590811, 4772433, 14317299, 42951897, 128855691]

約数ペア:

[(1, 128855691), (3, 42951897), (9, 14317299), (27, 4772433), (81, 1590811), (277, 465183), (831, 155061), (2493, 51687), (5743, 22437), (7479, 17229)]