263808657

素因数分解:

$3^4\times 7^1\times {\mathrm{465271}}^1$

素因数の和:465290

約数の個数: 20

約数和(自身を含む): 450383296

約数和(自身を除く): 186574639

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 465271, 1395813, 3256897, 4187439, 9770691, 12562317, 29312073, 37686951, 87936219, 263808657]

約数ペア:

[(1, 263808657), (3, 87936219), (7, 37686951), (9, 29312073), (21, 12562317), (27, 9770691), (63, 4187439), (81, 3256897), (189, 1395813), (567, 465271)]