28189755

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 27935685

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 99, 123, 135, 165, 205, 297, 369, 451, 463, 495, 615, 1107, 1353, 1389, 1485, 1845, 2255, 2315, 4059, 4167, 5093, 5535, 6765, 6945, 12177, 12501, 15279, 18983, 20295, 20835, 25465, 45837, 56949, 60885, 62505, 76395, 94915, 137511, 170847, 208813, 229185, 284745, 512541, 626439, 687555, 854235, 1044065, 1879317, 2562705, 3132195, 5637951, 9396585, 28189755]

約数ペア:

[(1, 28189755), (3, 9396585), (5, 5637951), (9, 3132195), (11, 2562705), (15, 1879317), (27, 1044065), (33, 854235), (41, 687555), (45, 626439), (55, 512541), (99, 284745), (123, 229185), (135, 208813), (165, 170847), (205, 137511), (297, 94915), (369, 76395), (451, 62505), (463, 60885), (495, 56949), (615, 45837), (1107, 25465), (1353, 20835), (1389, 20295), (1485, 18983), (1845, 15279), (2255, 12501), (2315, 12177), (4059, 6945), (4167, 6765), (5093, 5535)]