71257747

素因数分解:

${\mathrm{11}}^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 20

約数和(自身を含む): 81426880

約数和(自身を除く): 10169133

約数列:

[1, 11, 31, 121, 157, 341, 1331, 1727, 3751, 4867, 14641, 18997, 41261, 53537, 208967, 453871, 588907, 2298637, 6477977, 71257747]

約数ペア:

[(1, 71257747), (11, 6477977), (31, 2298637), (121, 588907), (157, 453871), (341, 208967), (1331, 53537), (1727, 41261), (3751, 18997), (4867, 14641)]