31085517

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{3301}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 43005248

約数和(自身を除く): 11919731

約数列:

[1, 3, 43, 73, 129, 219, 3139, 3301, 9417, 9903, 141943, 240973, 425829, 722919, 10361839, 31085517]

約数ペア:

[(1, 31085517), (3, 10361839), (43, 722919), (73, 425829), (129, 240973), (219, 141943), (3139, 9903), (3301, 9417)]