123997853

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{17911}}^1$

素因数の和:17984

約数の個数: 16

約数和(自身を含む): 151320576

約数和(自身を除く): 27322723

約数列:

[1, 7, 23, 43, 161, 301, 989, 6923, 17911, 125377, 411953, 770173, 2883671, 5391211, 17713979, 123997853]

約数ペア:

[(1, 123997853), (7, 17713979), (23, 5391211), (43, 2883671), (161, 770173), (301, 411953), (989, 125377), (6923, 17911)]