27491841

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 18372159

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 149, 171, 247, 249, 447, 741, 747, 1079, 1341, 1577, 1937, 2223, 2831, 3237, 4731, 5811, 8493, 9711, 12367, 14193, 17433, 20501, 25479, 36803, 37101, 61503, 110409, 111303, 160771, 184509, 234973, 331227, 482313, 704919, 1446939, 2114757, 3054649, 9163947, 27491841]

約数ペア:

[(1, 27491841), (3, 9163947), (9, 3054649), (13, 2114757), (19, 1446939), (39, 704919), (57, 482313), (83, 331227), (117, 234973), (149, 184509), (171, 160771), (247, 111303), (249, 110409), (447, 61503), (741, 37101), (747, 36803), (1079, 25479), (1341, 20501), (1577, 17433), (1937, 14193), (2223, 12367), (2831, 9711), (3237, 8493), (4731, 5811)]