25420797

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18461}}^1$

素因数の和:18490

約数の個数: 20

約数和(自身を含む): 40210236

約数和(自身を除く): 14789439

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18461, 55383, 166149, 313837, 498447, 941511, 1495341, 2824533, 8473599, 25420797]

約数ペア:

[(1, 25420797), (3, 8473599), (9, 2824533), (17, 1495341), (27, 941511), (51, 498447), (81, 313837), (153, 166149), (459, 55383), (1377, 18461)]