639357788157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1475701}}^1$

素因数の和:1476425

約数の個数: 32

約数和(自身を含む): 980338352640

約数和(自身を除く): 340980564483

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 691, 2073, 7601, 13129, 22803, 39387, 144419, 433257, 1475701, 4427103, 16232711, 28038319, 48698133, 84114957, 308421509, 925264527, 1019709391, 3059128173, 11216803301, 19374478429, 33650409903, 58123435287, 213119262719, 639357788157]

約数ペア:

[(1, 639357788157), (3, 213119262719), (11, 58123435287), (19, 33650409903), (33, 19374478429), (57, 11216803301), (209, 3059128173), (627, 1019709391), (691, 925264527), (2073, 308421509), (7601, 84114957), (13129, 48698133), (22803, 28038319), (39387, 16232711), (144419, 4427103), (433257, 1475701)]