199485939

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{20479}}^1$

素因数の和:20690

約数の個数: 16

約数和(自身を含む): 283115520

約数和(自身を除く): 83629581

約数列:

[1, 3, 17, 51, 191, 573, 3247, 9741, 20479, 61437, 348143, 1044429, 3911489, 11734467, 66495313, 199485939]

約数ペア:

[(1, 199485939), (3, 66495313), (17, 11734467), (51, 3911489), (191, 1044429), (573, 348143), (3247, 61437), (9741, 20479)]