81869943

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 117372240

約数和(自身を除く): 35502297

約数列:

[1, 3, 17, 51, 89, 267, 289, 867, 1061, 1513, 3183, 4539, 18037, 25721, 54111, 77163, 94429, 283287, 306629, 919887, 1605293, 4815879, 27289981, 81869943]

約数ペア:

[(1, 81869943), (3, 27289981), (17, 4815879), (51, 1605293), (89, 919887), (267, 306629), (289, 283287), (867, 94429), (1061, 77163), (1513, 54111), (3183, 25721), (4539, 18037)]