28188147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9901}}^1$

素因数の和:9990

約数の個数: 16

約数和(自身を含む): 41033888

約数和(自身を除く): 12845741

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 9901, 29703, 128713, 386139, 722773, 2168319, 9396049, 28188147]

約数ペア:

[(1, 28188147), (3, 9396049), (13, 2168319), (39, 722773), (73, 386139), (219, 128713), (949, 29703), (2847, 9901)]