427874975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 599399136

約数和(自身を除く): 171524161

約数列:

[1, 5, 11, 25, 41, 55, 137, 205, 275, 277, 451, 685, 1025, 1385, 1507, 2255, 3047, 3425, 5617, 6925, 7535, 11275, 11357, 15235, 28085, 37675, 37949, 56785, 61787, 76175, 124927, 140425, 189745, 283925, 308935, 417439, 624635, 948725, 1544675, 1555909, 2087195, 3123175, 7779545, 10435975, 17114999, 38897725, 85574995, 427874975]

約数ペア:

[(1, 427874975), (5, 85574995), (11, 38897725), (25, 17114999), (41, 10435975), (55, 7779545), (137, 3123175), (205, 2087195), (275, 1555909), (277, 1544675), (451, 948725), (685, 624635), (1025, 417439), (1385, 308935), (1507, 283925), (2255, 189745), (3047, 140425), (3425, 124927), (5617, 76175), (6925, 61787), (7535, 56785), (11275, 37949), (11357, 37675), (15235, 28085)]