121121011

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 135991296

約数和(自身を除く): 14870285

約数列:

[1, 11, 41, 271, 451, 991, 2981, 10901, 11111, 40631, 122221, 268561, 446941, 2954171, 11011001, 121121011]

約数ペア:

[(1, 121121011), (11, 11011001), (41, 2954171), (271, 446941), (451, 268561), (991, 122221), (2981, 40631), (10901, 11111)]