168490881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6761}}^1$

素因数の和:6854

約数の個数: 32

約数和(自身を含む): 272643840

約数和(自身を除く): 104152959

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 6761, 8307, 20283, 24921, 60849, 87893, 182547, 263679, 480031, 791037, 1440093, 2373111, 4320279, 6240403, 12960837, 18721209, 56163627, 168490881]

約数ペア:

[(1, 168490881), (3, 56163627), (9, 18721209), (13, 12960837), (27, 6240403), (39, 4320279), (71, 2373111), (117, 1440093), (213, 791037), (351, 480031), (639, 263679), (923, 182547), (1917, 87893), (2769, 60849), (6761, 24921), (8307, 20283)]