3981327

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4409}}^1$

素因数の和:4462

約数の個数: 16

約数和(自身を含む): 6209280

約数和(自身を除く): 2227953

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 4409, 13227, 30863, 92589, 189587, 568761, 1327109, 3981327]

約数ペア:

[(1, 3981327), (3, 1327109), (7, 568761), (21, 189587), (43, 92589), (129, 30863), (301, 13227), (903, 4409)]