561781143

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{270217}}^1$

素因数の和:270244

約数の個数: 32

約数和(自身を含む): 1037637120

約数和(自身を除く): 475855977

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 270217, 810651, 1891519, 2431953, 2972387, 5674557, 7295859, 8917161, 17023671, 20806709, 26751483, 51071013, 62420127, 80254449, 187260381, 561781143]

約数ペア:

[(1, 561781143), (3, 187260381), (7, 80254449), (9, 62420127), (11, 51071013), (21, 26751483), (27, 20806709), (33, 17023671), (63, 8917161), (77, 7295859), (99, 5674557), (189, 2972387), (231, 2431953), (297, 1891519), (693, 810651), (2079, 270217)]