388634841

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1753}}^1$

素因数の和:1812

約数の個数: 80

約数和(自身を含む): 733480704

約数和(自身を除く): 344845863

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 81, 119, 153, 161, 189, 207, 357, 391, 459, 483, 567, 621, 1071, 1173, 1377, 1449, 1753, 1863, 2737, 3213, 3519, 4347, 5259, 8211, 9639, 10557, 12271, 13041, 15777, 24633, 29801, 31671, 36813, 40319, 47331, 73899, 89403, 110439, 120957, 141993, 208607, 221697, 268209, 282233, 331317, 362871, 625821, 685423, 804627, 846699, 993951, 1088613, 1877463, 2056269, 2413881, 2540097, 3265839, 4797961, 5632389, 6168807, 7620291, 14393883, 16897167, 18506421, 22860873, 43181649, 55519263, 129544947, 388634841]

約数ペア:

[(1, 388634841), (3, 129544947), (7, 55519263), (9, 43181649), (17, 22860873), (21, 18506421), (23, 16897167), (27, 14393883), (51, 7620291), (63, 6168807), (69, 5632389), (81, 4797961), (119, 3265839), (153, 2540097), (161, 2413881), (189, 2056269), (207, 1877463), (357, 1088613), (391, 993951), (459, 846699), (483, 804627), (567, 685423), (621, 625821), (1071, 362871), (1173, 331317), (1377, 282233), (1449, 268209), (1753, 221697), (1863, 208607), (2737, 141993), (3213, 120957), (3519, 110439), (4347, 89403), (5259, 73899), (8211, 47331), (9639, 40319), (10557, 36813), (12271, 31671), (13041, 29801), (15777, 24633)]