247046397

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{28663}}^1$

素因数の和:28709

約数の個数: 24

約数和(自身を含む): 377676864

約数和(自身を除く): 130630467

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 2873, 8619, 28663, 85989, 372619, 487271, 1117857, 1461813, 4844047, 6334523, 14532141, 19003569, 82348799, 247046397]

約数ペア:

[(1, 247046397), (3, 82348799), (13, 19003569), (17, 14532141), (39, 6334523), (51, 4844047), (169, 1461813), (221, 1117857), (507, 487271), (663, 372619), (2873, 85989), (8619, 28663)]