28512135

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 51118080

約数和(自身を除く): 22605945

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 1143, 1663, 1905, 3429, 4989, 5715, 8315, 14967, 17145, 24945, 44901, 74835, 211201, 224505, 633603, 1056005, 1900809, 3168015, 5702427, 9504045, 28512135]

約数ペア:

[(1, 28512135), (3, 9504045), (5, 5702427), (9, 3168015), (15, 1900809), (27, 1056005), (45, 633603), (127, 224505), (135, 211201), (381, 74835), (635, 44901), (1143, 24945), (1663, 17145), (1905, 14967), (3429, 8315), (4989, 5715)]