28427343

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31481}}^1$

素因数の和:31534

約数の個数: 16

約数和(自身を含む): 44326656

約数和(自身を除く): 15899313

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31481, 94443, 220367, 661101, 1353683, 4061049, 9475781, 28427343]

約数ペア:

[(1, 28427343), (3, 9475781), (7, 4061049), (21, 1353683), (43, 661101), (129, 220367), (301, 94443), (903, 31481)]