28319733

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{80683}}^1$

素因数の和:80705

約数の個数: 16

約数和(自身を含む): 45183040

約数和(自身を除く): 16863307

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 80683, 242049, 726147, 1048879, 2178441, 3146637, 9439911, 28319733]

約数ペア:

[(1, 28319733), (3, 9439911), (9, 3146637), (13, 2178441), (27, 1048879), (39, 726147), (117, 242049), (351, 80683)]