1905491393

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{663241}}^1$

素因数の和:663284

約数の個数: 12

約数和(自身を含む): 2184719148

約数和(自身を除く): 279227755

約数列:

[1, 13, 17, 169, 221, 2873, 663241, 8622133, 11275097, 112087729, 146576261, 1905491393]

約数ペア:

[(1, 1905491393), (13, 146576261), (17, 112087729), (169, 11275097), (221, 8622133), (2873, 663241)]