40978431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5023

約数の個数: 24

約数和(自身を含む): 64655136

約数和(自身を除く): 23676705

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 4933, 8307, 14799, 44397, 64129, 192387, 350243, 577161, 1050729, 3152187, 4553159, 13659477, 40978431]

約数ペア:

[(1, 40978431), (3, 13659477), (9, 4553159), (13, 3152187), (39, 1050729), (71, 577161), (117, 350243), (213, 192387), (639, 64129), (923, 44397), (2769, 14799), (4933, 8307)]