27798903

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 46305280

約数和(自身を除く): 18506377

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 121, 127, 201, 297, 363, 381, 603, 737, 1089, 1143, 1397, 1809, 2211, 3267, 3429, 4191, 6633, 8107, 8509, 12573, 15367, 19899, 24321, 25527, 37719, 46101, 72963, 76581, 93599, 138303, 218889, 229743, 280797, 414909, 842391, 1029589, 2527173, 3088767, 9266301, 27798903]

約数ペア:

[(1, 27798903), (3, 9266301), (9, 3088767), (11, 2527173), (27, 1029589), (33, 842391), (67, 414909), (99, 280797), (121, 229743), (127, 218889), (201, 138303), (297, 93599), (363, 76581), (381, 72963), (603, 46101), (737, 37719), (1089, 25527), (1143, 24321), (1397, 19899), (1809, 15367), (2211, 12573), (3267, 8509), (3429, 8107), (4191, 6633)]