197780451

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 293594112

約数和(自身を除く): 95813661

約数列:

[1, 3, 11, 33, 83, 163, 249, 443, 489, 913, 1329, 1793, 2739, 4873, 5379, 13529, 14619, 36769, 40587, 72209, 110307, 148819, 216627, 404459, 446457, 794299, 1213377, 2382897, 5993347, 17980041, 65926817, 197780451]

約数ペア:

[(1, 197780451), (3, 65926817), (11, 17980041), (33, 5993347), (83, 2382897), (163, 1213377), (249, 794299), (443, 446457), (489, 404459), (913, 216627), (1329, 148819), (1793, 110307), (2739, 72209), (4873, 40587), (5379, 36769), (13529, 14619)]