209224701

素因数分解:

$3^5\times 7^1\times {\mathrm{123001}}^1$

素因数の和:123023

約数の個数: 24

約数和(自身を含む): 358181824

約数和(自身を除く): 148957123

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 123001, 369003, 861007, 1107009, 2583021, 3321027, 7749063, 9963081, 23247189, 29889243, 69741567, 209224701]

約数ペア:

[(1, 209224701), (3, 69741567), (7, 29889243), (9, 23247189), (21, 9963081), (27, 7749063), (63, 3321027), (81, 2583021), (189, 1107009), (243, 861007), (567, 369003), (1701, 123001)]