201997251

素因数分解:

$3^2\times {\mathrm{1213}}^1\times {\mathrm{18503}}^1$

素因数の和:19722

約数の個数: 12

約数和(自身を含む): 292030128

約数和(自身を除く): 90032877

約数列:

[1, 3, 9, 1213, 3639, 10917, 18503, 55509, 166527, 22444139, 67332417, 201997251]

約数ペア:

[(1, 201997251), (3, 67332417), (9, 22444139), (1213, 166527), (3639, 55509), (10917, 18503)]