1288822023

素因数分解:

$3^4\times {\mathrm{757}}^1\times {\mathrm{21019}}^1$

素因数の和:21788

約数の個数: 20

約数和(自身を含む): 1927912360

約数和(自身を除く): 639090337

約数列:

[1, 3, 9, 27, 81, 757, 2271, 6813, 20439, 21019, 61317, 63057, 189171, 567513, 1702539, 15911383, 47734149, 143202447, 429607341, 1288822023]

約数ペア:

[(1, 1288822023), (3, 429607341), (9, 143202447), (27, 47734149), (81, 15911383), (757, 1702539), (2271, 567513), (6813, 189171), (20439, 63057), (21019, 61317)]