81823761

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 126207900

約数和(自身を除く): 44384139

約数列:

[1, 3, 9, 29, 37, 87, 111, 229, 261, 333, 687, 1073, 1369, 2061, 3219, 4107, 6641, 8473, 9657, 12321, 19923, 25419, 39701, 59769, 76257, 119103, 245717, 313501, 357309, 737151, 940503, 2211453, 2821509, 9091529, 27274587, 81823761]

約数ペア:

[(1, 81823761), (3, 27274587), (9, 9091529), (29, 2821509), (37, 2211453), (87, 940503), (111, 737151), (229, 357309), (261, 313501), (333, 245717), (687, 119103), (1073, 76257), (1369, 59769), (2061, 39701), (3219, 25419), (4107, 19923), (6641, 12321), (8473, 9657)]