28226799

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18341}}^1$

素因数の和:18372

約数の個数: 20

約数和(自身を含む): 44387640

約数和(自身を除く): 16160841

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18341, 55023, 165069, 348479, 495207, 1045437, 1485621, 3136311, 9408933, 28226799]

約数ペア:

[(1, 28226799), (3, 9408933), (9, 3136311), (19, 1485621), (27, 1045437), (57, 495207), (81, 348479), (171, 165069), (513, 55023), (1539, 18341)]