25679745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6302

約数の個数: 48

約数和(自身を含む): 54792192

約数和(自身を除く): 29112447

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6271, 18813, 31355, 43897, 56439, 81523, 94065, 131691, 219485, 244569, 282195, 395073, 407615, 570661, 658455, 733707, 1222845, 1711983, 1975365, 2853305, 3668535, 5135949, 8559915, 25679745]

約数ペア:

[(1, 25679745), (3, 8559915), (5, 5135949), (7, 3668535), (9, 2853305), (13, 1975365), (15, 1711983), (21, 1222845), (35, 733707), (39, 658455), (45, 570661), (63, 407615), (65, 395073), (91, 282195), (105, 244569), (117, 219485), (195, 131691), (273, 94065), (315, 81523), (455, 56439), (585, 43897), (819, 31355), (1365, 18813), (4095, 6271)]