28681887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38707}}^1$

素因数の和:38742

約数の個数: 16

約数和(自身を含む): 43352960

約数和(自身を除く): 14671073

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 38707, 116121, 503191, 735433, 1509573, 2206299, 9560629, 28681887]

約数ペア:

[(1, 28681887), (3, 9560629), (13, 2206299), (19, 1509573), (39, 735433), (57, 503191), (247, 116121), (741, 38707)]