2213821449

素因数分解:

$3^4\times 7^1\times {\mathrm{3904447}}^1$

素因数の和:3904466

約数の個数: 20

約数和(自身を含む): 3779505664

約数和(自身を除く): 1565684215

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3904447, 11713341, 27331129, 35140023, 81993387, 105420069, 245980161, 316260207, 737940483, 2213821449]

約数ペア:

[(1, 2213821449), (3, 737940483), (7, 316260207), (9, 245980161), (21, 105420069), (27, 81993387), (63, 35140023), (81, 27331129), (189, 11713341), (567, 3904447)]