16897587

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2621}}^1$

素因数の和:2938

約数の個数: 16

約数和(自身を含む): 25842432

約数和(自身を除く): 8944845

約数列:

[1, 3, 7, 21, 307, 921, 2149, 2621, 6447, 7863, 18347, 55041, 804647, 2413941, 5632529, 16897587]

約数ペア:

[(1, 16897587), (3, 5632529), (7, 2413941), (21, 804647), (307, 55041), (921, 18347), (2149, 7863), (2621, 6447)]