27530019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 18596061

約数列:

[1, 3, 9, 11, 29, 33, 43, 87, 99, 129, 223, 261, 319, 387, 473, 669, 957, 1247, 1419, 2007, 2453, 2871, 3741, 4257, 6467, 7359, 9589, 11223, 13717, 19401, 22077, 28767, 41151, 58203, 71137, 86301, 105479, 123453, 213411, 278081, 316437, 640233, 834243, 949311, 2502729, 3058891, 9176673, 27530019]

約数ペア:

[(1, 27530019), (3, 9176673), (9, 3058891), (11, 2502729), (29, 949311), (33, 834243), (43, 640233), (87, 316437), (99, 278081), (129, 213411), (223, 123453), (261, 105479), (319, 86301), (387, 71137), (473, 58203), (669, 41151), (957, 28767), (1247, 22077), (1419, 19401), (2007, 13717), (2453, 11223), (2871, 9589), (3741, 7359), (4257, 6467)]