2069221

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{349}}^1$

素因数の和:385

約数の個数: 18

約数和(自身を含む): 2653350

約数和(自身を除く): 584129

約数列:

[1, 7, 11, 49, 77, 121, 349, 539, 847, 2443, 3839, 5929, 17101, 26873, 42229, 188111, 295603, 2069221]

約数ペア:

[(1, 2069221), (7, 295603), (11, 188111), (49, 42229), (77, 26873), (121, 17101), (349, 5929), (539, 3839), (847, 2443)]