3981831

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1493}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 6119424

約数和(自身を除く): 2137593

約数列:

[1, 3, 7, 21, 127, 381, 889, 1493, 2667, 4479, 10451, 31353, 189611, 568833, 1327277, 3981831]

約数ペア:

[(1, 3981831), (3, 1327277), (7, 568833), (21, 189611), (127, 31353), (381, 10451), (889, 4479), (1493, 2667)]