47149209

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{821}}^1$

素因数の和:1542

約数の個数: 20

約数和(自身を含む): 70618020

約数和(自身を除く): 23468811

約数列:

[1, 3, 9, 27, 81, 709, 821, 2127, 2463, 6381, 7389, 19143, 22167, 57429, 66501, 582089, 1746267, 5238801, 15716403, 47149209]

約数ペア:

[(1, 47149209), (3, 15716403), (9, 5238801), (27, 1746267), (81, 582089), (709, 66501), (821, 57429), (2127, 22167), (2463, 19143), (6381, 7389)]