28280109

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{65921}}^1$

素因数の和:65948

約数の個数: 16

約数和(自身を含む): 44299584

約数和(自身を除く): 16019475

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 65921, 197763, 725131, 856973, 2175393, 2570919, 9426703, 28280109]

約数ペア:

[(1, 28280109), (3, 9426703), (11, 2570919), (13, 2175393), (33, 856973), (39, 725131), (143, 197763), (429, 65921)]