249522039

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 434693952

約数和(自身を除く): 185171913

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 53, 81, 117, 153, 159, 221, 263, 351, 459, 477, 663, 689, 789, 901, 1053, 1377, 1431, 1989, 2067, 2367, 2703, 3419, 4293, 4471, 5967, 6201, 7101, 8109, 10257, 11713, 13413, 13939, 17901, 18603, 21303, 24327, 30771, 35139, 40239, 41817, 55809, 58123, 72981, 92313, 105417, 120717, 125451, 174369, 181207, 236963, 276939, 316251, 362151, 376353, 523107, 543621, 710889, 948753, 1129059, 1569321, 1630863, 2132667, 3080519, 4707963, 4892589, 6398001, 9241557, 14677767, 19194003, 27724671, 83174013, 249522039]

約数ペア:

[(1, 249522039), (3, 83174013), (9, 27724671), (13, 19194003), (17, 14677767), (27, 9241557), (39, 6398001), (51, 4892589), (53, 4707963), (81, 3080519), (117, 2132667), (153, 1630863), (159, 1569321), (221, 1129059), (263, 948753), (351, 710889), (459, 543621), (477, 523107), (663, 376353), (689, 362151), (789, 316251), (901, 276939), (1053, 236963), (1377, 181207), (1431, 174369), (1989, 125451), (2067, 120717), (2367, 105417), (2703, 92313), (3419, 72981), (4293, 58123), (4471, 55809), (5967, 41817), (6201, 40239), (7101, 35139), (8109, 30771), (10257, 24327), (11713, 21303), (13413, 18603), (13939, 17901)]