81798453

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 134162496

約数和(自身を除く): 52364043

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 137, 163, 333, 407, 411, 489, 1221, 1233, 1467, 1507, 1793, 3663, 4521, 5069, 5379, 6031, 13563, 15207, 16137, 18093, 22331, 45621, 54279, 55759, 66341, 66993, 167277, 199023, 200979, 245641, 501831, 597069, 736923, 826247, 2210769, 2478741, 7436223, 9088717, 27266151, 81798453]

約数ペア:

[(1, 81798453), (3, 27266151), (9, 9088717), (11, 7436223), (33, 2478741), (37, 2210769), (99, 826247), (111, 736923), (137, 597069), (163, 501831), (333, 245641), (407, 200979), (411, 199023), (489, 167277), (1221, 66993), (1233, 66341), (1467, 55759), (1507, 54279), (1793, 45621), (3663, 22331), (4521, 18093), (5069, 16137), (5379, 15207), (6031, 13563)]