208637439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{15667}}^1$

素因数の和:15886

約数の個数: 16

約数和(自身を含む): 291800832

約数和(自身を除く): 83163393

約数列:

[1, 3, 23, 69, 193, 579, 4439, 13317, 15667, 47001, 360341, 1081023, 3023731, 9071193, 69545813, 208637439]

約数ペア:

[(1, 208637439), (3, 69545813), (23, 9071193), (69, 3023731), (193, 1081023), (579, 360341), (4439, 47001), (13317, 15667)]