31354609

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 38372096

約数和(自身を除く): 7017487

約数列:

[1, 11, 13, 31, 121, 143, 341, 403, 643, 1573, 3751, 4433, 7073, 8359, 19933, 48763, 77803, 91949, 219263, 259129, 1011439, 2411893, 2850419, 31354609]

約数ペア:

[(1, 31354609), (11, 2850419), (13, 2411893), (31, 1011439), (121, 259129), (143, 219263), (341, 91949), (403, 77803), (643, 48763), (1573, 19933), (3751, 8359), (4433, 7073)]