1240299

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 16

約数和(自身を含む): 1866240

約数和(自身を除く): 625941

約数列:

[1, 3, 9, 27, 71, 213, 639, 647, 1917, 1941, 5823, 17469, 45937, 137811, 413433, 1240299]

約数ペア:

[(1, 1240299), (3, 413433), (9, 137811), (27, 45937), (71, 17469), (213, 5823), (639, 1941), (647, 1917)]