201663189

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 375661440

約数和(自身を除く): 173998251

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 109, 117, 189, 251, 273, 327, 351, 567, 753, 763, 819, 981, 1053, 1417, 1757, 2259, 2289, 2457, 2943, 3263, 4251, 5271, 6777, 6867, 7371, 8829, 9789, 9919, 12753, 15813, 20331, 20601, 22841, 27359, 29367, 29757, 38259, 47439, 61803, 68523, 82077, 88101, 89271, 114777, 142317, 191513, 205569, 246231, 264303, 267813, 355667, 574539, 616707, 738693, 803439, 1067001, 1723617, 1850121, 2216079, 2489669, 3201003, 5170851, 7469007, 9603009, 15512553, 22407021, 28809027, 67221063, 201663189]

約数ペア:

[(1, 201663189), (3, 67221063), (7, 28809027), (9, 22407021), (13, 15512553), (21, 9603009), (27, 7469007), (39, 5170851), (63, 3201003), (81, 2489669), (91, 2216079), (109, 1850121), (117, 1723617), (189, 1067001), (251, 803439), (273, 738693), (327, 616707), (351, 574539), (567, 355667), (753, 267813), (763, 264303), (819, 246231), (981, 205569), (1053, 191513), (1417, 142317), (1757, 114777), (2259, 89271), (2289, 88101), (2457, 82077), (2943, 68523), (3263, 61803), (4251, 47439), (5271, 38259), (6777, 29757), (6867, 29367), (7371, 27359), (8829, 22841), (9789, 20601), (9919, 20331), (12753, 15813)]