77663421

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 132710400

約数和(自身を除く): 55046979

約数列:

[1, 3, 9, 11, 27, 29, 33, 71, 87, 99, 127, 213, 261, 297, 319, 381, 639, 781, 783, 957, 1143, 1397, 1917, 2059, 2343, 2871, 3429, 3683, 4191, 6177, 7029, 8613, 9017, 11049, 12573, 18531, 21087, 22649, 27051, 33147, 37719, 40513, 55593, 67947, 81153, 99187, 99441, 121539, 203841, 243459, 261493, 297561, 364617, 611523, 784479, 892683, 1093851, 2353437, 2678049, 2876423, 7060311, 8629269, 25887807, 77663421]

約数ペア:

[(1, 77663421), (3, 25887807), (9, 8629269), (11, 7060311), (27, 2876423), (29, 2678049), (33, 2353437), (71, 1093851), (87, 892683), (99, 784479), (127, 611523), (213, 364617), (261, 297561), (297, 261493), (319, 243459), (381, 203841), (639, 121539), (781, 99441), (783, 99187), (957, 81153), (1143, 67947), (1397, 55593), (1917, 40513), (2059, 37719), (2343, 33147), (2871, 27051), (3429, 22649), (3683, 21087), (4191, 18531), (6177, 12573), (7029, 11049), (8613, 9017)]