171394561

素因数分解:

${\mathrm{13}}^4\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 20

約数和(自身を含む): 197156052

約数和(自身を除く): 25761491

約数列:

[1, 13, 17, 169, 221, 353, 2197, 2873, 4589, 6001, 28561, 37349, 59657, 78013, 485537, 775541, 1014169, 10082033, 13184197, 171394561]

約数ペア:

[(1, 171394561), (13, 13184197), (17, 10082033), (169, 1014169), (221, 775541), (353, 485537), (2197, 78013), (2873, 59657), (4589, 37349), (6001, 28561)]