8181567219

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{35911}}^1$

素因数の和:36511

約数の個数: 32

約数和(自身を含む): 13146664960

約数和(自身を除く): 4965097741

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 571, 1713, 3997, 10849, 11991, 32547, 35911, 75943, 107733, 227829, 251377, 682309, 754131, 2046927, 4776163, 14328489, 20505181, 61515543, 143536267, 389598439, 430608801, 1168795317, 2727189073, 8181567219]

約数ペア:

[(1, 8181567219), (3, 2727189073), (7, 1168795317), (19, 430608801), (21, 389598439), (57, 143536267), (133, 61515543), (399, 20505181), (571, 14328489), (1713, 4776163), (3997, 2046927), (10849, 754131), (11991, 682309), (32547, 251377), (35911, 227829), (75943, 107733)]