205890273

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{14009}}^1$

素因数の和:14109

約数の個数: 24

約数和(自身を含む): 314720640

約数和(自身を除く): 108830367

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 4899, 14009, 14697, 42027, 126081, 322207, 966621, 994639, 2899863, 2983917, 8951751, 22876697, 68630091, 205890273]

約数ペア:

[(1, 205890273), (3, 68630091), (9, 22876697), (23, 8951751), (69, 2983917), (71, 2899863), (207, 994639), (213, 966621), (639, 322207), (1633, 126081), (4899, 42027), (14009, 14697)]