1987311

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 2757888

約数和(自身を除く): 770577

約数列:

[1, 3, 41, 107, 123, 151, 321, 453, 4387, 6191, 13161, 16157, 18573, 48471, 662437, 1987311]

約数ペア:

[(1, 1987311), (3, 662437), (41, 48471), (107, 18573), (123, 16157), (151, 13161), (321, 6191), (453, 4387)]