18297807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{857}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 26687232

約数和(自身を除く): 8389425

約数列:

[1, 3, 11, 33, 647, 857, 1941, 2571, 7117, 9427, 21351, 28281, 554479, 1663437, 6099269, 18297807]

約数ペア:

[(1, 18297807), (3, 6099269), (11, 1663437), (33, 554479), (647, 28281), (857, 21351), (1941, 9427), (2571, 7117)]