27811665

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12613}}^1$

素因数の和:12638

約数の個数: 36

約数和(自身を含む): 56081844

約数和(自身を除く): 28270179

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12613, 37839, 63065, 88291, 113517, 189195, 264873, 441455, 567585, 618037, 794619, 1324365, 1854111, 3090185, 3973095, 5562333, 9270555, 27811665]

約数ペア:

[(1, 27811665), (3, 9270555), (5, 5562333), (7, 3973095), (9, 3090185), (15, 1854111), (21, 1324365), (35, 794619), (45, 618037), (49, 567585), (63, 441455), (105, 264873), (147, 189195), (245, 113517), (315, 88291), (441, 63065), (735, 37839), (2205, 12613)]