265280319

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{17207}}^1$

素因数の和:17787

約数の個数: 16

約数和(自身を含む): 393719040

約数和(自身を除く): 128438721

約数列:

[1, 3, 9, 27, 571, 1713, 5139, 15417, 17207, 51621, 154863, 464589, 9825197, 29475591, 88426773, 265280319]

約数ペア:

[(1, 265280319), (3, 88426773), (9, 29475591), (27, 9825197), (571, 464589), (1713, 154863), (5139, 51621), (15417, 17207)]