83405007

素因数分解:

$3^2\times 7^2\times {\mathrm{189127}}^1$

素因数の和:189147

約数の個数: 18

約数和(自身を含む): 140143848

約数和(自身を除く): 56738841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 189127, 567381, 1323889, 1702143, 3971667, 9267223, 11915001, 27801669, 83405007]

約数ペア:

[(1, 83405007), (3, 27801669), (7, 11915001), (9, 9267223), (21, 3971667), (49, 1702143), (63, 1323889), (147, 567381), (441, 189127)]