209214333

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{13523}}^1$

素因数の和:13726

約数の個数: 20

約数和(自身を含む): 314189568

約数和(自身を除く): 104975235

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 13523, 15471, 40569, 121707, 365121, 1095363, 2582893, 7748679, 23246037, 69738111, 209214333]

約数ペア:

[(1, 209214333), (3, 69738111), (9, 23246037), (27, 7748679), (81, 2582893), (191, 1095363), (573, 365121), (1719, 121707), (5157, 40569), (13523, 15471)]