31487391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11701}}^1$

素因数の和:11743

約数の個数: 24

約数和(自身を含む): 51114336

約数和(自身を除く): 19626945

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 11701, 35103, 105309, 152113, 269123, 456339, 807369, 1369017, 2422107, 3498599, 10495797, 31487391]

約数ペア:

[(1, 31487391), (3, 10495797), (9, 3498599), (13, 2422107), (23, 1369017), (39, 807369), (69, 456339), (117, 269123), (207, 152113), (299, 105309), (897, 35103), (2691, 11701)]