31880487

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 43423200

約数和(自身を除く): 11542713

約数列:

[1, 3, 73, 149, 219, 447, 977, 2931, 10877, 32631, 71321, 145573, 213963, 436719, 10626829, 31880487]

約数ペア:

[(1, 31880487), (3, 10626829), (73, 436719), (149, 213963), (219, 145573), (447, 71321), (977, 32631), (2931, 10877)]