131322

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:557

約数の個数: 16

約数和(自身を含む): 269280

約数和(自身を除く): 137958

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 509, 1018, 1527, 3054, 21887, 43774, 65661, 131322]

約数ペア:

[(1, 131322), (2, 65661), (3, 43774), (6, 21887), (43, 3054), (86, 1527), (129, 1018), (258, 509)]