138089007

素因数分解:

$3^2\times 7^2\times {\mathrm{313127}}^1$

素因数の和:313147

約数の個数: 18

約数和(自身を含む): 232027848

約数和(自身を除く): 93938841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 313127, 939381, 2191889, 2818143, 6575667, 15343223, 19727001, 46029669, 138089007]

約数ペア:

[(1, 138089007), (3, 46029669), (7, 19727001), (9, 15343223), (21, 6575667), (49, 2818143), (63, 2191889), (147, 939381), (441, 313127)]