31520379

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 46884096

約数和(自身を除く): 15363717

約数列:

[1, 3, 11, 33, 71, 121, 213, 363, 781, 1223, 2343, 3669, 8591, 13453, 25773, 40359, 86833, 147983, 260499, 443949, 955163, 2865489, 10506793, 31520379]

約数ペア:

[(1, 31520379), (3, 10506793), (11, 2865489), (33, 955163), (71, 443949), (121, 260499), (213, 147983), (363, 86833), (781, 40359), (1223, 25773), (2343, 13453), (3669, 8591)]