1628853867

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{158341}}^1$

素因数の和:158480

約数の個数: 20

約数和(自身を含む): 2452400896

約数和(自身を除く): 823547029

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 158341, 475023, 1425069, 4275207, 12825621, 20109307, 60327921, 180983763, 542951289, 1628853867]

約数ペア:

[(1, 1628853867), (3, 542951289), (9, 180983763), (27, 60327921), (81, 20109307), (127, 12825621), (381, 4275207), (1143, 1425069), (3429, 475023), (10287, 158341)]