27028521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 18258903

約数列:

[1, 3, 9, 13, 17, 39, 51, 107, 117, 127, 153, 221, 321, 381, 663, 963, 1143, 1391, 1651, 1819, 1989, 2159, 4173, 4953, 5457, 6477, 12519, 13589, 14859, 16371, 19431, 23647, 28067, 40767, 70941, 84201, 122301, 176657, 212823, 231013, 252603, 529971, 693039, 1589913, 2079117, 3003169, 9009507, 27028521]

約数ペア:

[(1, 27028521), (3, 9009507), (9, 3003169), (13, 2079117), (17, 1589913), (39, 693039), (51, 529971), (107, 252603), (117, 231013), (127, 212823), (153, 176657), (221, 122301), (321, 84201), (381, 70941), (663, 40767), (963, 28067), (1143, 23647), (1391, 19431), (1651, 16371), (1819, 14859), (1989, 13589), (2159, 12519), (4173, 6477), (4953, 5457)]