199887597

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7930

約数の個数: 48

約数和(自身を含む): 366865408

約数和(自身を除く): 166977811

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 7873, 8463, 23619, 25389, 55111, 70857, 102349, 165333, 244063, 307047, 495999, 716443, 732189, 921141, 1708441, 2149329, 2196567, 3172819, 5125323, 6447987, 9518457, 15375969, 22209733, 28555371, 66629199, 199887597]

約数ペア:

[(1, 199887597), (3, 66629199), (7, 28555371), (9, 22209733), (13, 15375969), (21, 9518457), (31, 6447987), (39, 5125323), (63, 3172819), (91, 2196567), (93, 2149329), (117, 1708441), (217, 921141), (273, 732189), (279, 716443), (403, 495999), (651, 307047), (819, 244063), (1209, 165333), (1953, 102349), (2821, 70857), (3627, 55111), (7873, 25389), (8463, 23619)]