71280253

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{613}}^1$

素因数の和:697

約数の個数: 18

約数和(自身を含む): 81090366

約数和(自身を除く): 9810113

約数列:

[1, 11, 31, 121, 341, 613, 961, 3751, 6743, 10571, 19003, 74173, 116281, 209033, 589093, 2299363, 6480023, 71280253]

約数ペア:

[(1, 71280253), (11, 6480023), (31, 2299363), (121, 589093), (341, 209033), (613, 116281), (961, 74173), (3751, 19003), (6743, 10571)]