81320259

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{3499}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 111104000

約数和(自身を除く): 29783741

約数列:

[1, 3, 61, 127, 183, 381, 3499, 7747, 10497, 23241, 213439, 444373, 640317, 1333119, 27106753, 81320259]

約数ペア:

[(1, 81320259), (3, 27106753), (61, 1333119), (127, 640317), (183, 444373), (381, 213439), (3499, 23241), (7747, 10497)]