81244119

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 128088576

約数和(自身を除く): 46844457

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 121, 253, 263, 363, 407, 759, 789, 851, 1221, 2553, 2783, 2893, 4477, 6049, 8349, 8679, 9361, 9731, 13431, 18147, 28083, 29193, 31823, 66539, 95469, 102971, 107041, 199617, 223813, 308913, 321123, 671439, 731929, 1177451, 2195787, 2461943, 3532353, 7385829, 27081373, 81244119]

約数ペア:

[(1, 81244119), (3, 27081373), (11, 7385829), (23, 3532353), (33, 2461943), (37, 2195787), (69, 1177451), (111, 731929), (121, 671439), (253, 321123), (263, 308913), (363, 223813), (407, 199617), (759, 107041), (789, 102971), (851, 95469), (1221, 66539), (2553, 31823), (2783, 29193), (2893, 28083), (4477, 18147), (6049, 13431), (8349, 9731), (8679, 9361)]