80249859

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{12541}}^1$

素因数の和:12632

約数の個数: 20

約数和(自身を含む): 121406560

約数和(自身を除く): 41156701

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 12541, 37623, 112869, 338607, 990739, 1015821, 2972217, 8916651, 26749953, 80249859]

約数ペア:

[(1, 80249859), (3, 26749953), (9, 8916651), (27, 2972217), (79, 1015821), (81, 990739), (237, 338607), (711, 112869), (2133, 37623), (6399, 12541)]