28705863

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 13065657

約数列:

[1, 3, 23, 41, 69, 73, 123, 139, 219, 417, 943, 1679, 2829, 2993, 3197, 5037, 5699, 8979, 9591, 10147, 17097, 30441, 68839, 131077, 206517, 233381, 393231, 416027, 700143, 1248081, 9568621, 28705863]

約数ペア:

[(1, 28705863), (3, 9568621), (23, 1248081), (41, 700143), (69, 416027), (73, 393231), (123, 233381), (139, 206517), (219, 131077), (417, 68839), (943, 30441), (1679, 17097), (2829, 10147), (2993, 9591), (3197, 8979), (5037, 5699)]