28787049

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{6791}}^1$

素因数の和:6957

約数の個数: 16

約数和(自身を含む): 42925440

約数和(自身を除く): 14138391

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 6791, 20373, 61119, 183357, 1066187, 3198561, 9595683, 28787049]

約数ペア:

[(1, 28787049), (3, 9595683), (9, 3198561), (27, 1066187), (157, 183357), (471, 61119), (1413, 20373), (4239, 6791)]