28266147

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34513}}^1$

素因数の和:34539

約数の個数: 24

約数和(自身を含む): 50252384

約数和(自身を除く): 21986237

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34513, 103539, 241591, 310617, 448669, 724773, 1346007, 2174319, 3140683, 4038021, 9422049, 28266147]

約数ペア:

[(1, 28266147), (3, 9422049), (7, 4038021), (9, 3140683), (13, 2174319), (21, 1346007), (39, 724773), (63, 448669), (91, 310617), (117, 241591), (273, 103539), (819, 34513)]