2181391869

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{220811}}^1$

素因数の和:220940

約数の個数: 16

約数和(自身を含む): 3020708160

約数和(自身を除く): 839316291

約数列:

[1, 3, 37, 89, 111, 267, 3293, 9879, 220811, 662433, 8170007, 19652179, 24510021, 58956537, 727130623, 2181391869]

約数ペア:

[(1, 2181391869), (3, 727130623), (37, 58956537), (89, 24510021), (111, 19652179), (267, 8170007), (3293, 662433), (9879, 220811)]