28229391

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2500

約数の個数: 20

約数和(自身を含む): 42471000

約数和(自身を除く): 14241609

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2339, 4023, 7017, 12069, 21051, 63153, 189459, 348511, 1045533, 3136599, 9409797, 28229391]

約数ペア:

[(1, 28229391), (3, 9409797), (9, 3136599), (27, 1045533), (81, 348511), (149, 189459), (447, 63153), (1341, 21051), (2339, 12069), (4023, 7017)]