31307419

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1579

約数の個数: 18

約数和(自身を含む): 37287348

約数和(自身を除く): 5979929

約数列:

[1, 11, 13, 121, 143, 169, 1531, 1573, 1859, 16841, 19903, 20449, 185251, 218933, 258739, 2408263, 2846129, 31307419]

約数ペア:

[(1, 31307419), (11, 2846129), (13, 2408263), (121, 258739), (143, 218933), (169, 185251), (1531, 20449), (1573, 19903), (1859, 16841)]