18267201

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2069}}^1$

素因数の和:2190

約数の個数: 20

約数和(自身を含む): 27551700

約数和(自身を除く): 9284499

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2069, 2943, 6207, 8829, 18621, 55863, 167589, 225521, 676563, 2029689, 6089067, 18267201]

約数ペア:

[(1, 18267201), (3, 6089067), (9, 2029689), (27, 676563), (81, 225521), (109, 167589), (327, 55863), (981, 18621), (2069, 8829), (2943, 6207)]