549021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 811008

約数和(自身を除く): 261987

約数列:

[1, 3, 11, 33, 127, 131, 381, 393, 1397, 1441, 4191, 4323, 16637, 49911, 183007, 549021]

約数ペア:

[(1, 549021), (3, 183007), (11, 49911), (33, 16637), (127, 4323), (131, 4191), (381, 1441), (393, 1397)]