16721199

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{168901}}^1$

素因数の和:168918

約数の個数: 12

約数和(自身を含む): 26348712

約数和(自身を除く): 9627513

約数列:

[1, 3, 9, 11, 33, 99, 168901, 506703, 1520109, 1857911, 5573733, 16721199]

約数ペア:

[(1, 16721199), (3, 5573733), (9, 1857911), (11, 1520109), (33, 506703), (99, 168901)]