25850421

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18773}}^1$

素因数の和:18802

約数の個数: 20

約数和(自身を含む): 40889772

約数和(自身を除く): 15039351

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18773, 56319, 168957, 319141, 506871, 957423, 1520613, 2872269, 8616807, 25850421]

約数ペア:

[(1, 25850421), (3, 8616807), (9, 2872269), (17, 1520613), (27, 957423), (51, 506871), (81, 319141), (153, 168957), (459, 56319), (1377, 18773)]