81436842

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{28817}}^1$

素因数の和:28982

約数の個数: 24

約数和(自身を含む): 177576516

約数和(自身を除く): 96139674

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 28817, 57634, 86451, 172902, 259353, 518706, 4524269, 9048538, 13572807, 27145614, 40718421, 81436842]

約数ペア:

[(1, 81436842), (2, 40718421), (3, 27145614), (6, 13572807), (9, 9048538), (18, 4524269), (157, 518706), (314, 259353), (471, 172902), (942, 86451), (1413, 57634), (2826, 28817)]