90020781

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{144961}}^1$

素因数の和:144993

約数の個数: 16

約数和(自身を含む): 139163520

約数和(自身を除く): 49142739

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 144961, 434883, 1304649, 3334103, 3913947, 10002309, 30006927, 90020781]

約数ペア:

[(1, 90020781), (3, 30006927), (9, 10002309), (23, 3913947), (27, 3334103), (69, 1304649), (207, 434883), (621, 144961)]