199984863

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^2\times {\mathrm{193}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 290427312

約数和(自身を除く): 90442449

約数列:

[1, 3, 13, 39, 163, 193, 489, 579, 2119, 2509, 6357, 7527, 26569, 31459, 79707, 94377, 345397, 408967, 1036191, 1226901, 5127817, 15383451, 66661621, 199984863]

約数ペア:

[(1, 199984863), (3, 66661621), (13, 15383451), (39, 5127817), (163, 1226901), (193, 1036191), (489, 408967), (579, 345397), (2119, 94377), (2509, 79707), (6357, 31459), (7527, 26569)]