25214247

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18311}}^1$

素因数の和:18340

約数の個数: 20

約数和(自身を含む): 39883536

約数和(自身を除く): 14669289

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18311, 54933, 164799, 311287, 494397, 933861, 1483191, 2801583, 8404749, 25214247]

約数ペア:

[(1, 25214247), (3, 8404749), (9, 2801583), (17, 1483191), (27, 933861), (51, 494397), (81, 311287), (153, 164799), (459, 54933), (1377, 18311)]