28973781

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{3343}}^1$

素因数の和:3462

約数の個数: 20

約数和(自身を含む): 43699392

約数和(自身を除く): 14725611

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 3343, 8667, 10029, 30087, 90261, 270783, 357701, 1073103, 3219309, 9657927, 28973781]

約数ペア:

[(1, 28973781), (3, 9657927), (9, 3219309), (27, 1073103), (81, 357701), (107, 270783), (321, 90261), (963, 30087), (2889, 10029), (3343, 8667)]