16689651

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 25536000

約数和(自身を除く): 8846349

約数列:

[1, 3, 11, 23, 33, 69, 121, 253, 363, 759, 1999, 2783, 5997, 8349, 21989, 45977, 65967, 137931, 241879, 505747, 725637, 1517241, 5563217, 16689651]

約数ペア:

[(1, 16689651), (3, 5563217), (11, 1517241), (23, 725637), (33, 505747), (69, 241879), (121, 137931), (253, 65967), (363, 45977), (759, 21989), (1999, 8349), (2783, 5997)]