1520794521

素因数分解:

$3^4\times {\mathrm{677}}^1\times {\mathrm{27733}}^1$

素因数の和:28422

約数の個数: 20

約数和(自身を含む): 2275241892

約数和(自身を除く): 754447371

約数列:

[1, 3, 9, 27, 81, 677, 2031, 6093, 18279, 27733, 54837, 83199, 249597, 748791, 2246373, 18775241, 56325723, 168977169, 506931507, 1520794521]

約数ペア:

[(1, 1520794521), (3, 506931507), (9, 168977169), (27, 56325723), (81, 18775241), (677, 2246373), (2031, 748791), (6093, 249597), (18279, 83199), (27733, 54837)]