81708084

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{52783}}^1$

素因数の和:52836

約数の個数: 36

約数和(自身を含む): 211347136

約数和(自身を除く): 129639052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 52783, 105566, 158349, 211132, 316698, 475047, 633396, 950094, 1900188, 2269669, 4539338, 6809007, 9078676, 13618014, 20427021, 27236028, 40854042, 81708084]

約数ペア:

[(1, 81708084), (2, 40854042), (3, 27236028), (4, 20427021), (6, 13618014), (9, 9078676), (12, 6809007), (18, 4539338), (36, 2269669), (43, 1900188), (86, 950094), (129, 633396), (172, 475047), (258, 316698), (387, 211132), (516, 158349), (774, 105566), (1548, 52783)]