28199691

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80341}}^1$

素因数の和:80363

約数の個数: 16

約数和(自身を含む): 44991520

約数和(自身を除く): 16791829

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80341, 241023, 723069, 1044433, 2169207, 3133299, 9399897, 28199691]

約数ペア:

[(1, 28199691), (3, 9399897), (9, 3133299), (13, 2169207), (27, 1044433), (39, 723069), (117, 241023), (351, 80341)]