137163985

素因数分解:

$5^1\times 7^3\times {\mathrm{79979}}^1$

素因数の和:80005

約数の個数: 16

約数和(自身を含む): 191952000

約数和(自身を除く): 54788015

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 79979, 399895, 559853, 2799265, 3918971, 19594855, 27432797, 137163985]

約数ペア:

[(1, 137163985), (5, 27432797), (7, 19594855), (35, 3918971), (49, 2799265), (245, 559853), (343, 399895), (1715, 79979)]