28011447

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1124

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 16340553

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 621, 989, 1049, 1161, 2967, 3147, 8901, 9441, 24127, 26703, 28323, 45107, 72381, 135321, 217143, 405963, 651429, 1037461, 1217889, 3112383, 9337149, 28011447]

約数ペア:

[(1, 28011447), (3, 9337149), (9, 3112383), (23, 1217889), (27, 1037461), (43, 651429), (69, 405963), (129, 217143), (207, 135321), (387, 72381), (621, 45107), (989, 28323), (1049, 26703), (1161, 24127), (2967, 9441), (3147, 8901)]