28454517

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 53455360

約数和(自身を除く): 25000843

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 313, 333, 351, 481, 777, 819, 939, 999, 1443, 2191, 2331, 2457, 2817, 3367, 4069, 4329, 6573, 6993, 8451, 10101, 11581, 12207, 12987, 19719, 28483, 30303, 34743, 36621, 59157, 81067, 85449, 90909, 104229, 109863, 150553, 243201, 256347, 312687, 451659, 729603, 769041, 1053871, 1354977, 2188809, 3161613, 4064931, 9484839, 28454517]

約数ペア:

[(1, 28454517), (3, 9484839), (7, 4064931), (9, 3161613), (13, 2188809), (21, 1354977), (27, 1053871), (37, 769041), (39, 729603), (63, 451659), (91, 312687), (111, 256347), (117, 243201), (189, 150553), (259, 109863), (273, 104229), (313, 90909), (333, 85449), (351, 81067), (481, 59157), (777, 36621), (819, 34743), (939, 30303), (999, 28483), (1443, 19719), (2191, 12987), (2331, 12207), (2457, 11581), (2817, 10101), (3367, 8451), (4069, 6993), (4329, 6573)]