2806887

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 4050432

約数和(自身を除く): 1243545

約数列:

[1, 3, 17, 47, 51, 141, 799, 1171, 2397, 3513, 19907, 55037, 59721, 165111, 935629, 2806887]

約数ペア:

[(1, 2806887), (3, 935629), (17, 165111), (47, 59721), (51, 55037), (141, 19907), (799, 3513), (1171, 2397)]