287682813

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 486604800

約数和(自身を除く): 198921987

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 127, 261, 263, 297, 319, 381, 783, 789, 957, 1143, 1397, 2367, 2871, 2893, 3429, 3683, 4191, 7101, 7627, 8613, 8679, 11049, 12573, 22881, 26037, 33147, 33401, 37719, 40513, 68643, 78111, 83897, 99441, 100203, 121539, 205929, 251691, 300609, 364617, 367411, 755073, 901827, 968629, 1093851, 1102233, 2265219, 2905887, 3306699, 8717661, 9920097, 10654919, 26152983, 31964757, 95894271, 287682813]

約数ペア:

[(1, 287682813), (3, 95894271), (9, 31964757), (11, 26152983), (27, 10654919), (29, 9920097), (33, 8717661), (87, 3306699), (99, 2905887), (127, 2265219), (261, 1102233), (263, 1093851), (297, 968629), (319, 901827), (381, 755073), (783, 367411), (789, 364617), (957, 300609), (1143, 251691), (1397, 205929), (2367, 121539), (2871, 100203), (2893, 99441), (3429, 83897), (3683, 78111), (4191, 68643), (7101, 40513), (7627, 37719), (8613, 33401), (8679, 33147), (11049, 26037), (12573, 22881)]