211679941

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{17321}}^1$

素因数の和:17444

約数の個数: 12

約数和(自身を含む): 234990252

約数和(自身を除く): 23310311

約数列:

[1, 11, 101, 121, 1111, 12221, 17321, 190531, 1749421, 2095841, 19243631, 211679941]

約数ペア:

[(1, 211679941), (11, 19243631), (101, 2095841), (121, 1749421), (1111, 190531), (12221, 17321)]