42259021

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{2389}}^1$

素因数の和:2441

約数の個数: 18

約数和(自身を含む): 51903630

約数和(自身を除く): 9644609

約数列:

[1, 7, 19, 49, 133, 361, 931, 2389, 2527, 16723, 17689, 45391, 117061, 317737, 862429, 2224159, 6037003, 42259021]

約数ペア:

[(1, 42259021), (7, 6037003), (19, 2224159), (49, 862429), (133, 317737), (361, 117061), (931, 45391), (2389, 17689), (2527, 16723)]