209260413

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{739}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 307532160

約数和(自身を除く): 98271747

約数列:

[1, 3, 9, 73, 219, 431, 657, 739, 1293, 2217, 3879, 6651, 31463, 53947, 94389, 161841, 283167, 318509, 485523, 955527, 2866581, 23251157, 69753471, 209260413]

約数ペア:

[(1, 209260413), (3, 69753471), (9, 23251157), (73, 2866581), (219, 955527), (431, 485523), (657, 318509), (739, 283167), (1293, 161841), (2217, 94389), (3879, 53947), (6651, 31463)]