12689919

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{42727}}^1$

素因数の和:42747

約数の個数: 16

約数和(自身を含む): 20509440

約数和(自身を除く): 7819521

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 42727, 128181, 384543, 469997, 1153629, 1409991, 4229973, 12689919]

約数ペア:

[(1, 12689919), (3, 4229973), (9, 1409991), (11, 1153629), (27, 469997), (33, 384543), (99, 128181), (297, 42727)]