28684881

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{9929}}^1$

素因数の和:10045

約数の個数: 16

約数和(自身を含む): 42897600

約数和(自身を除く): 14212719

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 9929, 29787, 89361, 268083, 1062403, 3187209, 9561627, 28684881]

約数ペア:

[(1, 28684881), (3, 9561627), (9, 3187209), (27, 1062403), (107, 268083), (321, 89361), (963, 29787), (2889, 9929)]