28647489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 14817471

約数列:

[1, 3, 13, 23, 39, 69, 109, 293, 299, 327, 879, 897, 1417, 2507, 3809, 4251, 6739, 7521, 11427, 20217, 31937, 32591, 87607, 95811, 97773, 262821, 415181, 734551, 1245543, 2203653, 9549163, 28647489]

約数ペア:

[(1, 28647489), (3, 9549163), (13, 2203653), (23, 1245543), (39, 734551), (69, 415181), (109, 262821), (293, 97773), (299, 95811), (327, 87607), (879, 32591), (897, 31937), (1417, 20217), (2507, 11427), (3809, 7521), (4251, 6739)]