25495281

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3929}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 42506880

約数和(自身を除く): 17011599

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3929, 6489, 11787, 27503, 35361, 82509, 247527, 404687, 1214061, 2832809, 3642183, 8498427, 25495281]

約数ペア:

[(1, 25495281), (3, 8498427), (7, 3642183), (9, 2832809), (21, 1214061), (63, 404687), (103, 247527), (309, 82509), (721, 35361), (927, 27503), (2163, 11787), (3929, 6489)]