55128447

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 95606784

約数和(自身を除く): 40478337

約数列:

[1, 3, 9, 11, 23, 31, 33, 69, 71, 93, 99, 121, 207, 213, 253, 279, 341, 363, 639, 713, 759, 781, 1023, 1089, 1633, 2139, 2201, 2277, 2343, 2783, 3069, 3751, 4899, 6417, 6603, 7029, 7843, 8349, 8591, 11253, 14697, 17963, 19809, 23529, 24211, 25047, 25773, 33759, 50623, 53889, 70587, 72633, 77319, 86273, 151869, 161667, 197593, 217899, 258819, 266321, 455607, 556853, 592779, 776457, 798963, 1670559, 1778337, 2396889, 5011677, 6125383, 18376149, 55128447]

約数ペア:

[(1, 55128447), (3, 18376149), (9, 6125383), (11, 5011677), (23, 2396889), (31, 1778337), (33, 1670559), (69, 798963), (71, 776457), (93, 592779), (99, 556853), (121, 455607), (207, 266321), (213, 258819), (253, 217899), (279, 197593), (341, 161667), (363, 151869), (639, 86273), (713, 77319), (759, 72633), (781, 70587), (1023, 53889), (1089, 50623), (1633, 33759), (2139, 25773), (2201, 25047), (2277, 24211), (2343, 23529), (2783, 19809), (3069, 17963), (3751, 14697), (4899, 11253), (6417, 8591), (6603, 8349), (7029, 7843)]