13387233

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 18408896

約数和(自身を除く): 5021663

約数列:

[1, 3, 43, 129, 157, 471, 661, 1983, 6751, 20253, 28423, 85269, 103777, 311331, 4462411, 13387233]

約数ペア:

[(1, 13387233), (3, 4462411), (43, 311331), (129, 103777), (157, 85269), (471, 28423), (661, 20253), (1983, 6751)]