11997867

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1861}}^1$

素因数の和:2178

約数の個数: 16

約数和(自身を含む): 18351872

約数和(自身を除く): 6354005

約数列:

[1, 3, 7, 21, 307, 921, 1861, 2149, 5583, 6447, 13027, 39081, 571327, 1713981, 3999289, 11997867]

約数ペア:

[(1, 11997867), (3, 3999289), (7, 1713981), (21, 571327), (307, 39081), (921, 13027), (1861, 6447), (2149, 5583)]