222400521

素因数分解:

$3^2\times 7^1\times {\mathrm{881}}^1\times {\mathrm{4007}}^1$

素因数の和:4901

約数の個数: 24

約数和(自身を含む): 367645824

約数和(自身を除く): 145245303

約数列:

[1, 3, 7, 9, 21, 63, 881, 2643, 4007, 6167, 7929, 12021, 18501, 28049, 36063, 55503, 84147, 252441, 3530167, 10590501, 24711169, 31771503, 74133507, 222400521]

約数ペア:

[(1, 222400521), (3, 74133507), (7, 31771503), (9, 24711169), (21, 10590501), (63, 3530167), (881, 252441), (2643, 84147), (4007, 55503), (6167, 36063), (7929, 28049), (12021, 18501)]