858393207

素因数分解:

$3^4\times 7^1\times {\mathrm{1513921}}^1$

素因数の和:1513940

約数の個数: 20

約数和(自身を含む): 1465476496

約数和(自身を除く): 607083289

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1513921, 4541763, 10597447, 13625289, 31792341, 40875867, 95377023, 122627601, 286131069, 858393207]

約数ペア:

[(1, 858393207), (3, 286131069), (7, 122627601), (9, 95377023), (21, 40875867), (27, 31792341), (63, 13625289), (81, 10597447), (189, 4541763), (567, 1513921)]