28149309

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{45329}}^1$

素因数の和:45361

約数の個数: 16

約数和(自身を含む): 43516800

約数和(自身を除く): 15367491

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 45329, 135987, 407961, 1042567, 1223883, 3127701, 9383103, 28149309]

約数ペア:

[(1, 28149309), (3, 9383103), (9, 3127701), (23, 1223883), (27, 1042567), (69, 407961), (207, 135987), (621, 45329)]