28689795

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:503

約数の個数: 56

約数和(自身を含む): 54772416

約数和(自身を除く): 26082621

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 463, 729, 765, 1215, 1377, 1389, 2295, 2315, 3645, 4131, 4167, 6885, 6945, 7871, 12393, 12501, 20655, 20835, 23613, 37503, 39355, 61965, 62505, 70839, 112509, 118065, 187515, 212517, 337527, 354195, 562545, 637551, 1062585, 1687635, 1912653, 3187755, 5737959, 9563265, 28689795]

約数ペア:

[(1, 28689795), (3, 9563265), (5, 5737959), (9, 3187755), (15, 1912653), (17, 1687635), (27, 1062585), (45, 637551), (51, 562545), (81, 354195), (85, 337527), (135, 212517), (153, 187515), (243, 118065), (255, 112509), (405, 70839), (459, 62505), (463, 61965), (729, 39355), (765, 37503), (1215, 23613), (1377, 20835), (1389, 20655), (2295, 12501), (2315, 12393), (3645, 7871), (4131, 6945), (4167, 6885)]