2177637

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{857}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 3651648

約数和(自身を除く): 1474011

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 857, 2541, 2571, 5999, 9427, 17997, 28281, 65989, 103697, 197967, 311091, 725879, 2177637]

約数ペア:

[(1, 2177637), (3, 725879), (7, 311091), (11, 197967), (21, 103697), (33, 65989), (77, 28281), (121, 17997), (231, 9427), (363, 5999), (847, 2571), (857, 2541)]