28863945

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 61797120

約数和(自身を除く): 32933175

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 31, 33, 45, 55, 57, 81, 93, 95, 99, 121, 135, 155, 165, 171, 209, 279, 285, 297, 341, 363, 405, 465, 495, 513, 589, 605, 627, 837, 855, 891, 1023, 1045, 1089, 1395, 1485, 1539, 1705, 1767, 1815, 1881, 2299, 2511, 2565, 2945, 3069, 3135, 3267, 3751, 4185, 4455, 5115, 5301, 5445, 5643, 6479, 6897, 7695, 8835, 9207, 9405, 9801, 11253, 11495, 12555, 15345, 15903, 16335, 16929, 18755, 19437, 20691, 26505, 27621, 28215, 32395, 33759, 34485, 46035, 47709, 49005, 56265, 58311, 62073, 71269, 79515, 84645, 97185, 101277, 103455, 138105, 168795, 174933, 186219, 213807, 238545, 291555, 303831, 310365, 356345, 506385, 524799, 641421, 874665, 931095, 1069035, 1519155, 1924263, 2623995, 3207105, 5772789, 9621315, 28863945]

約数ペア:

[(1, 28863945), (3, 9621315), (5, 5772789), (9, 3207105), (11, 2623995), (15, 1924263), (19, 1519155), (27, 1069035), (31, 931095), (33, 874665), (45, 641421), (55, 524799), (57, 506385), (81, 356345), (93, 310365), (95, 303831), (99, 291555), (121, 238545), (135, 213807), (155, 186219), (165, 174933), (171, 168795), (209, 138105), (279, 103455), (285, 101277), (297, 97185), (341, 84645), (363, 79515), (405, 71269), (465, 62073), (495, 58311), (513, 56265), (589, 49005), (605, 47709), (627, 46035), (837, 34485), (855, 33759), (891, 32395), (1023, 28215), (1045, 27621), (1089, 26505), (1395, 20691), (1485, 19437), (1539, 18755), (1705, 16929), (1767, 16335), (1815, 15903), (1881, 15345), (2299, 12555), (2511, 11495), (2565, 11253), (2945, 9801), (3069, 9405), (3135, 9207), (3267, 8835), (3751, 7695), (4185, 6897), (4455, 6479), (5115, 5643), (5301, 5445)]