81639899

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 96388176

約数和(自身を除く): 14748277

約数列:

[1, 11, 17, 61, 187, 289, 421, 671, 1037, 3179, 4631, 7157, 11407, 17629, 25681, 78727, 121669, 193919, 282491, 436577, 1338359, 4802347, 7421809, 81639899]

約数ペア:

[(1, 81639899), (11, 7421809), (17, 4802347), (61, 1338359), (187, 436577), (289, 282491), (421, 193919), (671, 121669), (1037, 78727), (3179, 25681), (4631, 17629), (7157, 11407)]