2109399

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 3091200

約数和(自身を除く): 981801

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 1609, 4827, 30571, 37007, 91713, 111021, 703133, 2109399]

約数ペア:

[(1, 2109399), (3, 703133), (19, 111021), (23, 91713), (57, 37007), (69, 30571), (437, 4827), (1311, 1609)]