208309077

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{11743}}^1$

素因数の和:11831

約数の個数: 24

約数和(自身を含む): 316336384

約数和(自身を除く): 108027307

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 11743, 17739, 35229, 105687, 317061, 857239, 951183, 2571717, 2853549, 7715151, 23145453, 69436359, 208309077]

約数ペア:

[(1, 208309077), (3, 69436359), (9, 23145453), (27, 7715151), (73, 2853549), (81, 2571717), (219, 951183), (243, 857239), (657, 317061), (1971, 105687), (5913, 35229), (11743, 17739)]