81230139

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 120586752

約数和(自身を除く): 39356613

約数列:

[1, 3, 9, 43, 129, 387, 431, 487, 1293, 1461, 3879, 4383, 18533, 20941, 55599, 62823, 166797, 188469, 209897, 629691, 1889073, 9025571, 27076713, 81230139]

約数ペア:

[(1, 81230139), (3, 27076713), (9, 9025571), (43, 1889073), (129, 629691), (387, 209897), (431, 188469), (487, 166797), (1293, 62823), (1461, 55599), (3879, 20941), (4383, 18533)]