16686873

素因数分解:

$3^2\times 7^1\times {\mathrm{264871}}^1$

素因数の和:264884

約数の個数: 12

約数和(自身を含む): 27546688

約数和(自身を除く): 10859815

約数列:

[1, 3, 7, 9, 21, 63, 264871, 794613, 1854097, 2383839, 5562291, 16686873]

約数ペア:

[(1, 16686873), (3, 5562291), (7, 2383839), (9, 1854097), (21, 794613), (63, 264871)]