28291743

素因数分解:

$3^2\times {\mathrm{1471}}^1\times {\mathrm{2137}}^1$

素因数の和:3614

約数の個数: 12

約数和(自身を含む): 40912768

約数和(自身を除く): 12621025

約数列:

[1, 3, 9, 1471, 2137, 4413, 6411, 13239, 19233, 3143527, 9430581, 28291743]

約数ペア:

[(1, 28291743), (3, 9430581), (9, 3143527), (1471, 19233), (2137, 13239), (4413, 6411)]