28843857

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 51064832

約数和(自身を除く): 22220975

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 547, 567, 651, 837, 1641, 1701, 1953, 2511, 3829, 4923, 5859, 7533, 11487, 14769, 16957, 17577, 34461, 44307, 50871, 52731, 103383, 118699, 132921, 152613, 310149, 356097, 457839, 930447, 1068291, 1373517, 3204873, 4120551, 9614619, 28843857]

約数ペア:

[(1, 28843857), (3, 9614619), (7, 4120551), (9, 3204873), (21, 1373517), (27, 1068291), (31, 930447), (63, 457839), (81, 356097), (93, 310149), (189, 152613), (217, 132921), (243, 118699), (279, 103383), (547, 52731), (567, 50871), (651, 44307), (837, 34461), (1641, 17577), (1701, 16957), (1953, 14769), (2511, 11487), (3829, 7533), (4923, 5859)]