3988683

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2176

約数の個数: 20

約数和(自身を含む): 6220368

約数和(自身を除く): 2231685

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 2141, 6423, 19269, 49243, 57807, 147729, 173421, 443187, 1329561, 3988683]

約数ペア:

[(1, 3988683), (3, 1329561), (9, 443187), (23, 173421), (27, 147729), (69, 57807), (81, 49243), (207, 19269), (621, 6423), (1863, 2141)]