72180577

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{1657}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 84889600

約数和(自身を除く): 12709023

約数列:

[1, 7, 49, 127, 343, 889, 1657, 6223, 11599, 43561, 81193, 210439, 568351, 1473073, 10311511, 72180577]

約数ペア:

[(1, 72180577), (7, 10311511), (49, 1473073), (127, 568351), (343, 210439), (889, 81193), (1657, 43561), (6223, 11599)]