30428559

素因数分解:

$3^2\times 7^3\times {\mathrm{9857}}^1$

素因数の和:9884

約数の個数: 24

約数和(自身を含む): 51261600

約数和(自身を除く): 20833041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9857, 29571, 68999, 88713, 206997, 482993, 620991, 1448979, 3380951, 4346937, 10142853, 30428559]

約数ペア:

[(1, 30428559), (3, 10142853), (7, 4346937), (9, 3380951), (21, 1448979), (49, 620991), (63, 482993), (147, 206997), (343, 88713), (441, 68999), (1029, 29571), (3087, 9857)]