28219137

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9511}}^1$

素因数の和:9580

約数の個数: 16

約数和(自身を含む): 40178688

約数和(自身を除く): 11959551

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 9511, 28533, 218753, 408973, 656259, 1226919, 9406379, 28219137]

約数ペア:

[(1, 28219137), (3, 9406379), (23, 1226919), (43, 656259), (69, 408973), (129, 218753), (989, 28533), (2967, 9511)]