208568607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{20809}}^1$

素因数の和:21082

約数の個数: 16

約数和(自身を含む): 300662880

約数和(自身を除く): 92094273

約数列:

[1, 3, 13, 39, 257, 771, 3341, 10023, 20809, 62427, 270517, 811551, 5347913, 16043739, 69522869, 208568607]

約数ペア:

[(1, 208568607), (3, 69522869), (13, 16043739), (39, 5347913), (257, 811551), (771, 270517), (3341, 62427), (10023, 20809)]