171721297

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1571}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 197694720

約数和(自身を除く): 25973423

約数列:

[1, 11, 19, 209, 523, 1571, 5753, 9937, 17281, 29849, 109307, 328339, 821633, 9037963, 15611027, 171721297]

約数ペア:

[(1, 171721297), (11, 15611027), (19, 9037963), (209, 821633), (523, 328339), (1571, 109307), (5753, 29849), (9937, 17281)]