25423551

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 41382000

約数和(自身を除く): 15958449

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 333, 459, 499, 629, 999, 1377, 1497, 1887, 2997, 4491, 5661, 8483, 13473, 16983, 18463, 25449, 40419, 50949, 55389, 76347, 166167, 229041, 313871, 498501, 687123, 941613, 1495503, 2824839, 8474517, 25423551]

約数ペア:

[(1, 25423551), (3, 8474517), (9, 2824839), (17, 1495503), (27, 941613), (37, 687123), (51, 498501), (81, 313871), (111, 229041), (153, 166167), (333, 76347), (459, 55389), (499, 50949), (629, 40419), (999, 25449), (1377, 18463), (1497, 16983), (1887, 13473), (2997, 8483), (4491, 5661)]