51937281

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 85935168

約数和(自身を除く): 33997887

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 639, 781, 821, 891, 1917, 2343, 2463, 5751, 7029, 7389, 9031, 21087, 22167, 27093, 58291, 63261, 66501, 81279, 174873, 243837, 524619, 641201, 731511, 1573857, 1923603, 4721571, 5770809, 17312427, 51937281]

約数ペア:

[(1, 51937281), (3, 17312427), (9, 5770809), (11, 4721571), (27, 1923603), (33, 1573857), (71, 731511), (81, 641201), (99, 524619), (213, 243837), (297, 174873), (639, 81279), (781, 66501), (821, 63261), (891, 58291), (1917, 27093), (2343, 22167), (2463, 21087), (5751, 9031), (7029, 7389)]