542786867

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{9829}}^1$

素因数の和:9880

約数の個数: 20

約数和(自身を含む): 660811920

約数和(自身を除く): 118025053

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 7889, 9829, 55223, 68803, 226067, 481621, 1582469, 3371347, 11077283, 23599429, 77540981, 542786867]

約数ペア:

[(1, 542786867), (7, 77540981), (23, 23599429), (49, 11077283), (161, 3371347), (343, 1582469), (1127, 481621), (2401, 226067), (7889, 68803), (9829, 55223)]