28748181

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 48319488

約数和(自身を除く): 19571307

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 291, 679, 1067, 1283, 2037, 3201, 3849, 7469, 8981, 14113, 22407, 26943, 42339, 98791, 124451, 296373, 373353, 871157, 1368961, 2613471, 4106883, 9582727, 28748181]

約数ペア:

[(1, 28748181), (3, 9582727), (7, 4106883), (11, 2613471), (21, 1368961), (33, 871157), (77, 373353), (97, 296373), (231, 124451), (291, 98791), (679, 42339), (1067, 26943), (1283, 22407), (2037, 14113), (3201, 8981), (3849, 7469)]