261207057

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{39097}}^1$

素因数の和:39248

約数の個数: 16

約数和(自身を含む): 371587392

約数和(自身を除く): 110380335

約数列:

[1, 3, 17, 51, 131, 393, 2227, 6681, 39097, 117291, 664649, 1993947, 5121707, 15365121, 87069019, 261207057]

約数ペア:

[(1, 261207057), (3, 87069019), (17, 15365121), (51, 5121707), (131, 1993947), (393, 664649), (2227, 117291), (6681, 39097)]