8287191

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 13799808

約数和(自身を除く): 5512617

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 131, 213, 297, 393, 639, 781, 891, 1179, 1441, 1917, 2343, 3537, 4323, 5751, 7029, 9301, 10611, 12969, 21087, 27903, 38907, 63261, 83709, 102311, 116721, 251127, 306933, 753381, 920799, 2762397, 8287191]

約数ペア:

[(1, 8287191), (3, 2762397), (9, 920799), (11, 753381), (27, 306933), (33, 251127), (71, 116721), (81, 102311), (99, 83709), (131, 63261), (213, 38907), (297, 27903), (393, 21087), (639, 12969), (781, 10611), (891, 9301), (1179, 7029), (1441, 5751), (1917, 4323), (2343, 3537)]