28049889

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31063}}^1$

素因数の和:31116

約数の個数: 16

約数和(自身を含む): 43738112

約数和(自身を除く): 15688223

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31063, 93189, 217441, 652323, 1335709, 4007127, 9349963, 28049889]

約数ペア:

[(1, 28049889), (3, 9349963), (7, 4007127), (21, 1335709), (43, 652323), (129, 217441), (301, 93189), (903, 31063)]