231218897

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7723}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 295860096

約数和(自身を除く): 64641199

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 637, 2303, 4277, 7723, 29939, 54061, 100399, 362981, 378427, 702793, 2540867, 4718753, 4919551, 17786069, 33031271, 231218897]

約数ペア:

[(1, 231218897), (7, 33031271), (13, 17786069), (47, 4919551), (49, 4718753), (91, 2540867), (329, 702793), (611, 378427), (637, 362981), (2303, 100399), (4277, 54061), (7723, 29939)]