3978338007

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{331777}}^1$

素因数の和:332358

約数の個数: 16

約数和(自身を含む): 6072864512

約数和(自身を除く): 2094526505

約数列:

[1, 3, 7, 21, 571, 1713, 3997, 11991, 331777, 995331, 2322439, 6967317, 189444667, 568334001, 1326112669, 3978338007]

約数ペア:

[(1, 3978338007), (3, 1326112669), (7, 568334001), (21, 189444667), (571, 6967317), (1713, 2322439), (3997, 995331), (11991, 331777)]