12111011

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1114

約数の個数: 12

約数和(自身を含む): 13457472

約数和(自身を除く): 1346461

約数列:

[1, 11, 101, 121, 991, 1111, 10901, 12221, 100091, 119911, 1101001, 12111011]

約数ペア:

[(1, 12111011), (11, 1101001), (101, 119911), (121, 100091), (991, 12221), (1111, 10901)]