208537863

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^2$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 298120320

約数和(自身を除く): 89582457

約数列:

[1, 3, 19, 57, 71, 213, 227, 681, 1349, 4047, 4313, 12939, 16117, 48351, 51529, 154587, 306223, 918669, 979051, 2937153, 3658559, 10975677, 69512621, 208537863]

約数ペア:

[(1, 208537863), (3, 69512621), (19, 10975677), (57, 3658559), (71, 2937153), (213, 979051), (227, 918669), (681, 306223), (1349, 154587), (4047, 51529), (4313, 48351), (12939, 16117)]