28040391

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{5381}}^1$

素因数の和:5583

約数の個数: 16

約数和(自身を含む): 41764320

約数和(自身を除く): 13723929

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 5381, 16143, 48429, 145287, 1038533, 3115599, 9346797, 28040391]

約数ペア:

[(1, 28040391), (3, 9346797), (9, 3115599), (27, 1038533), (193, 145287), (579, 48429), (1737, 16143), (5211, 5381)]