28142235

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6317}}^1$

素因数の和:6345

約数の個数: 40

約数和(自身を含む): 55042416

約数和(自身を除く): 26900181

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 6317, 18951, 31585, 56853, 69487, 94755, 170559, 208461, 284265, 347435, 511677, 625383, 852795, 1042305, 1876149, 2558385, 3126915, 5628447, 9380745, 28142235]

約数ペア:

[(1, 28142235), (3, 9380745), (5, 5628447), (9, 3126915), (11, 2558385), (15, 1876149), (27, 1042305), (33, 852795), (45, 625383), (55, 511677), (81, 347435), (99, 284265), (135, 208461), (165, 170559), (297, 94755), (405, 69487), (495, 56853), (891, 31585), (1485, 18951), (4455, 6317)]