11997817

素因数分解:

${\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 16

約数和(自身を含む): 13404160

約数和(自身を除く): 1406343

約数列:

[1, 13, 43, 127, 169, 559, 1651, 2197, 5461, 7267, 21463, 70993, 94471, 279019, 922909, 11997817]

約数ペア:

[(1, 11997817), (13, 922909), (43, 279019), (127, 94471), (169, 70993), (559, 21463), (1651, 7267), (2197, 5461)]