28012149

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 46173600

約数和(自身を除く): 18161451

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 149, 211, 297, 447, 633, 891, 1341, 1639, 1899, 2321, 4023, 4917, 5697, 6963, 12069, 14751, 17091, 20889, 31439, 44253, 62667, 94317, 132759, 188001, 282951, 345829, 848853, 1037487, 2546559, 3112461, 9337383, 28012149]

約数ペア:

[(1, 28012149), (3, 9337383), (9, 3112461), (11, 2546559), (27, 1037487), (33, 848853), (81, 345829), (99, 282951), (149, 188001), (211, 132759), (297, 94317), (447, 62667), (633, 44253), (891, 31439), (1341, 20889), (1639, 17091), (1899, 14751), (2321, 12069), (4023, 6963), (4917, 5697)]