16993767

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21871}}^1$

素因数の和:21918

約数の個数: 16

約数和(自身を含む): 26596352

約数和(自身を除く): 9602585

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 21871, 65613, 153097, 459291, 809227, 2427681, 5664589, 16993767]

約数ペア:

[(1, 16993767), (3, 5664589), (7, 2427681), (21, 809227), (37, 459291), (111, 153097), (259, 65613), (777, 21871)]