55490393

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{3137}}^1$

素因数の和:3189

約数の個数: 18

約数和(自身を含む): 68147946

約数和(自身を除く): 12657553

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 3137, 17689, 21959, 59603, 153713, 417221, 1132457, 2920547, 7927199, 55490393]

約数ペア:

[(1, 55490393), (7, 7927199), (19, 2920547), (49, 1132457), (133, 417221), (361, 153713), (931, 59603), (2527, 21959), (3137, 17689)]