81345383

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 94448640

約数和(自身を除く): 13103257

約数列:

[1, 7, 103, 257, 439, 721, 1799, 3073, 26471, 45217, 112823, 185297, 316519, 789761, 11620769, 81345383]

約数ペア:

[(1, 81345383), (7, 11620769), (103, 789761), (257, 316519), (439, 185297), (721, 112823), (1799, 45217), (3073, 26471)]