142520639589

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{19769821}}^1$

素因数の和:19769922

約数の個数: 20

約数和(自身を含む): 215293361580

約数和(自身を除く): 72772721991

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 19769821, 59309463, 177928389, 533785167, 1601355501, 1759514069, 5278542207, 15835626621, 47506879863, 142520639589]

約数ペア:

[(1, 142520639589), (3, 47506879863), (9, 15835626621), (27, 5278542207), (81, 1759514069), (89, 1601355501), (267, 533785167), (801, 177928389), (2403, 59309463), (7209, 19769821)]