16840209

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4001}}^1$

素因数の和:4088

約数の個数: 16

約数和(自身を含む): 23819904

約数和(自身を除く): 6979695

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4001, 4209, 12003, 92023, 244061, 276069, 732183, 5613403, 16840209]

約数ペア:

[(1, 16840209), (3, 5613403), (23, 732183), (61, 276069), (69, 244061), (183, 92023), (1403, 12003), (4001, 4209)]