397751553

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{104479}}^1$

素因数の和:104538

約数の個数: 20

約数和(自身を含む): 606819840

約数和(自身を除く): 209068287

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 104479, 313437, 940311, 2820933, 4910513, 8462799, 14731539, 44194617, 132583851, 397751553]

約数ペア:

[(1, 397751553), (3, 132583851), (9, 44194617), (27, 14731539), (47, 8462799), (81, 4910513), (141, 2820933), (423, 940311), (1269, 313437), (3807, 104479)]