17998221

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 24792768

約数和(自身を除く): 6794547

約数列:

[1, 3, 41, 123, 131, 393, 1117, 3351, 5371, 16113, 45797, 137391, 146327, 438981, 5999407, 17998221]

約数ペア:

[(1, 17998221), (3, 5999407), (41, 438981), (123, 146327), (131, 137391), (393, 45797), (1117, 16113), (3351, 5371)]