8491131

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 13478400

約数和(自身を除く): 4987269

約数列:

[1, 3, 9, 11, 33, 99, 199, 431, 597, 1293, 1791, 2189, 3879, 4741, 6567, 14223, 19701, 42669, 85769, 257307, 771921, 943459, 2830377, 8491131]

約数ペア:

[(1, 8491131), (3, 2830377), (9, 943459), (11, 771921), (33, 257307), (99, 85769), (199, 42669), (431, 19701), (597, 14223), (1293, 6567), (1791, 4741), (2189, 3879)]