16181121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21319}}^1$

素因数の和:21356

約数の個数: 16

約数和(自身を含む): 24560640

約数和(自身を除く): 8379519

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 21319, 63957, 234509, 490337, 703527, 1471011, 5393707, 16181121]

約数ペア:

[(1, 16181121), (3, 5393707), (11, 1471011), (23, 703527), (33, 490337), (69, 234509), (253, 63957), (759, 21319)]