257637123

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1\times {\mathrm{1367}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 381858048

約数和(自身を除く): 124220925

約数列:

[1, 3, 9, 43, 129, 387, 487, 1367, 1461, 4101, 4383, 12303, 20941, 58781, 62823, 176343, 188469, 529029, 665729, 1997187, 5991561, 28626347, 85879041, 257637123]

約数ペア:

[(1, 257637123), (3, 85879041), (9, 28626347), (43, 5991561), (129, 1997187), (387, 665729), (487, 529029), (1367, 188469), (1461, 176343), (4101, 62823), (4383, 58781), (12303, 20941)]