28312497

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 46391400

約数和(自身を除く): 18078903

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 459, 493, 709, 783, 1377, 1479, 2127, 2349, 4437, 6381, 12053, 13311, 19143, 20561, 36159, 39933, 57429, 61683, 108477, 185049, 325431, 349537, 555147, 976293, 1048611, 1665441, 3145833, 9437499, 28312497]

約数ペア:

[(1, 28312497), (3, 9437499), (9, 3145833), (17, 1665441), (27, 1048611), (29, 976293), (51, 555147), (81, 349537), (87, 325431), (153, 185049), (261, 108477), (459, 61683), (493, 57429), (709, 39933), (783, 36159), (1377, 20561), (1479, 19143), (2127, 13311), (2349, 12053), (4437, 6381)]