6620859

素因数分解:

$3^4\times 7^1\times {\mathrm{11677}}^1$

素因数の和:11696

約数の個数: 20

約数和(自身を含む): 11304304

約数和(自身を除く): 4683445

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 11677, 35031, 81739, 105093, 245217, 315279, 735651, 945837, 2206953, 6620859]

約数ペア:

[(1, 6620859), (3, 2206953), (7, 945837), (9, 735651), (21, 315279), (27, 245217), (63, 105093), (81, 81739), (189, 35031), (567, 11677)]