28097199

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26683}}^1$

素因数の和:26708

約数の個数: 20

約数和(自身を含む): 45202696

約数和(自身を除く): 17105497

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26683, 80049, 240147, 346879, 720441, 1040637, 2161323, 3121911, 9365733, 28097199]

約数ペア:

[(1, 28097199), (3, 9365733), (9, 3121911), (13, 2161323), (27, 1040637), (39, 720441), (81, 346879), (117, 240147), (351, 80049), (1053, 26683)]