1263455721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179749}}^1$

素因数の和:179837

約数の個数: 24

約数和(自身を含む): 2018952000

約数和(自身を除く): 755496279

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 7029, 179749, 539247, 1617741, 1977239, 5931717, 12762179, 17795151, 38286537, 114859611, 140383969, 421151907, 1263455721]

約数ペア:

[(1, 1263455721), (3, 421151907), (9, 140383969), (11, 114859611), (33, 38286537), (71, 17795151), (99, 12762179), (213, 5931717), (639, 1977239), (781, 1617741), (2343, 539247), (7029, 179749)]