16649199

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 28439040

約数和(自身を除く): 11789841

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 643, 959, 1233, 1929, 2877, 3699, 4501, 5787, 8631, 13503, 17361, 25893, 40509, 88091, 121527, 264273, 616637, 792819, 1849911, 2378457, 5549733, 16649199]

約数ペア:

[(1, 16649199), (3, 5549733), (7, 2378457), (9, 1849911), (21, 792819), (27, 616637), (63, 264273), (137, 121527), (189, 88091), (411, 40509), (643, 25893), (959, 17361), (1233, 13503), (1929, 8631), (2877, 5787), (3699, 4501)]