121371999

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{42187}}^1$

素因数の和:42334

約数の個数: 16

約数和(自身を含む): 186302208

約数和(自身を除く): 64930209

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 42187, 126561, 295309, 885927, 5779619, 17338857, 40457333, 121371999]

約数ペア:

[(1, 121371999), (3, 40457333), (7, 17338857), (21, 5779619), (137, 885927), (411, 295309), (959, 126561), (2877, 42187)]