26880811947

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{198337}}^1$

素因数の和:198428

約数の個数: 36

約数和(自身を含む): 43533604296

約数和(自身を除く): 16652792349

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 1369, 3663, 4107, 12321, 15059, 45177, 135531, 198337, 595011, 1785033, 2181707, 6545121, 7338469, 19635363, 22015407, 66046221, 80723159, 242169477, 271523353, 726508431, 814570059, 2443710177, 2986756883, 8960270649, 26880811947]

約数ペア:

[(1, 26880811947), (3, 8960270649), (9, 2986756883), (11, 2443710177), (33, 814570059), (37, 726508431), (99, 271523353), (111, 242169477), (333, 80723159), (407, 66046221), (1221, 22015407), (1369, 19635363), (3663, 7338469), (4107, 6545121), (12321, 2181707), (15059, 1785033), (45177, 595011), (135531, 198337)]