168991767

素因数分解:

$3^2\times 7^1\times {\mathrm{1289}}^1\times {\mathrm{2081}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 279321120

約数和(自身を除く): 110329353

約数列:

[1, 3, 7, 9, 21, 63, 1289, 2081, 3867, 6243, 9023, 11601, 14567, 18729, 27069, 43701, 81207, 131103, 2682409, 8047227, 18776863, 24141681, 56330589, 168991767]

約数ペア:

[(1, 168991767), (3, 56330589), (7, 24141681), (9, 18776863), (21, 8047227), (63, 2682409), (1289, 131103), (2081, 81207), (3867, 43701), (6243, 27069), (9023, 18729), (11601, 14567)]