153681417

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{240503}}^1$

素因数の和:240580

約数の個数: 12

約数和(自身を含む): 225111744

約数和(自身を除く): 71430327

約数列:

[1, 3, 9, 71, 213, 639, 240503, 721509, 2164527, 17075713, 51227139, 153681417]

約数ペア:

[(1, 153681417), (3, 51227139), (9, 17075713), (71, 2164527), (213, 721509), (639, 240503)]