28366767

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 52039680

約数和(自身を除く): 23672913

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 79, 81, 93, 99, 117, 143, 237, 279, 297, 341, 351, 403, 429, 711, 837, 869, 891, 1023, 1027, 1053, 1209, 1287, 2133, 2449, 2511, 2607, 3069, 3081, 3627, 3861, 4433, 6399, 7347, 7821, 9207, 9243, 10881, 11297, 11583, 13299, 22041, 23463, 26939, 27621, 27729, 31837, 32643, 33891, 39897, 66123, 70389, 80817, 83187, 95511, 101673, 119691, 198369, 242451, 286533, 305019, 350207, 359073, 727353, 859599, 915057, 1050621, 2182059, 2578797, 3151863, 9455589, 28366767]

約数ペア:

[(1, 28366767), (3, 9455589), (9, 3151863), (11, 2578797), (13, 2182059), (27, 1050621), (31, 915057), (33, 859599), (39, 727353), (79, 359073), (81, 350207), (93, 305019), (99, 286533), (117, 242451), (143, 198369), (237, 119691), (279, 101673), (297, 95511), (341, 83187), (351, 80817), (403, 70389), (429, 66123), (711, 39897), (837, 33891), (869, 32643), (891, 31837), (1023, 27729), (1027, 27621), (1053, 26939), (1209, 23463), (1287, 22041), (2133, 13299), (2449, 11583), (2511, 11297), (2607, 10881), (3069, 9243), (3081, 9207), (3627, 7821), (3861, 7347), (4433, 6399)]