27857557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2861}}^1$

素因数の和:2988

約数の個数: 16

約数和(自身を含む): 34618752

約数和(自身を除く): 6761195

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2861, 9737, 20027, 37193, 260351, 306127, 2142889, 3979651, 27857557]

約数ペア:

[(1, 27857557), (7, 3979651), (13, 2142889), (91, 306127), (107, 260351), (749, 37193), (1391, 20027), (2861, 9737)]