206931417

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 372621312

約数和(自身を除く): 165689895

約数列:

[1, 3, 7, 11, 21, 31, 33, 37, 71, 77, 93, 111, 121, 213, 217, 231, 259, 341, 363, 407, 497, 651, 777, 781, 847, 1023, 1147, 1221, 1491, 2201, 2343, 2387, 2541, 2627, 2849, 3441, 3751, 4477, 5467, 6603, 7161, 7881, 8029, 8547, 8591, 11253, 12617, 13431, 15407, 16401, 18389, 24087, 24211, 25773, 26257, 28897, 31339, 37851, 46221, 55167, 60137, 72633, 78771, 81437, 86691, 88319, 94017, 138787, 169477, 180411, 202279, 244311, 264957, 266321, 317867, 416361, 508431, 570059, 606837, 798963, 895807, 953601, 971509, 1710177, 1864247, 2225069, 2687421, 2914527, 5592741, 6270649, 6675207, 9853877, 18811947, 29561631, 68977139, 206931417]

約数ペア:

[(1, 206931417), (3, 68977139), (7, 29561631), (11, 18811947), (21, 9853877), (31, 6675207), (33, 6270649), (37, 5592741), (71, 2914527), (77, 2687421), (93, 2225069), (111, 1864247), (121, 1710177), (213, 971509), (217, 953601), (231, 895807), (259, 798963), (341, 606837), (363, 570059), (407, 508431), (497, 416361), (651, 317867), (777, 266321), (781, 264957), (847, 244311), (1023, 202279), (1147, 180411), (1221, 169477), (1491, 138787), (2201, 94017), (2343, 88319), (2387, 86691), (2541, 81437), (2627, 78771), (2849, 72633), (3441, 60137), (3751, 55167), (4477, 46221), (5467, 37851), (6603, 31339), (7161, 28897), (7881, 26257), (8029, 25773), (8547, 24211), (8591, 24087), (11253, 18389), (12617, 16401), (13431, 15407)]