25503417

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18521}}^1$

素因数の和:18550

約数の個数: 20

約数和(自身を含む): 40340916

約数和(自身を除く): 14837499

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18521, 55563, 166689, 314857, 500067, 944571, 1500201, 2833713, 8501139, 25503417]

約数ペア:

[(1, 25503417), (3, 8501139), (9, 2833713), (17, 1500201), (27, 944571), (51, 500067), (81, 314857), (153, 166689), (459, 55563), (1377, 18521)]