497426397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{81239}}^1$

素因数の和:81412

約数の個数: 16

約数和(自身を含む): 718811520

約数和(自身を除く): 221385123

約数列:

[1, 3, 13, 39, 157, 471, 2041, 6123, 81239, 243717, 1056107, 3168321, 12754523, 38263569, 165808799, 497426397]

約数ペア:

[(1, 497426397), (3, 165808799), (13, 38263569), (39, 12754523), (157, 3168321), (471, 1056107), (2041, 243717), (6123, 81239)]