78903081

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{123479}}^1$

素因数の和:123556

約数の個数: 12

約数和(自身を含む): 115577280

約数和(自身を除く): 36674199

約数列:

[1, 3, 9, 71, 213, 639, 123479, 370437, 1111311, 8767009, 26301027, 78903081]

約数ペア:

[(1, 78903081), (3, 26301027), (9, 8767009), (71, 1111311), (213, 370437), (639, 123479)]