12857859

素因数分解:

$3^5\times 7^1\times {\mathrm{7559}}^1$

素因数の和:7581

約数の個数: 24

約数和(自身を含む): 22014720

約数和(自身を除く): 9156861

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7559, 22677, 52913, 68031, 158739, 204093, 476217, 612279, 1428651, 1836837, 4285953, 12857859]

約数ペア:

[(1, 12857859), (3, 4285953), (7, 1836837), (9, 1428651), (21, 612279), (27, 476217), (63, 204093), (81, 158739), (189, 68031), (243, 52913), (567, 22677), (1701, 7559)]