121111111

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 149299200

約数和(自身を除く): 28188089

約数列:

[1, 11, 17, 19, 89, 187, 209, 323, 383, 979, 1513, 1691, 3553, 4213, 6511, 7277, 16643, 18601, 28747, 34087, 71621, 80047, 123709, 316217, 374957, 579479, 647653, 1360799, 6374269, 7124183, 11010101, 121111111]

約数ペア:

[(1, 121111111), (11, 11010101), (17, 7124183), (19, 6374269), (89, 1360799), (187, 647653), (209, 579479), (323, 374957), (383, 316217), (979, 123709), (1513, 80047), (1691, 71621), (3553, 34087), (4213, 28747), (6511, 18601), (7277, 16643)]