81559247

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1511}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 101896704

約数和(自身を除く): 20337457

約数列:

[1, 7, 11, 77, 701, 1511, 4907, 7711, 10577, 16621, 53977, 116347, 1059211, 7414477, 11651321, 81559247]

約数ペア:

[(1, 81559247), (7, 11651321), (11, 7414477), (77, 1059211), (701, 116347), (1511, 53977), (4907, 16621), (7711, 10577)]