31239219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 15762381

約数列:

[1, 3, 11, 33, 67, 71, 199, 201, 213, 597, 737, 781, 2189, 2211, 2343, 4757, 6567, 13333, 14129, 14271, 39999, 42387, 52327, 146663, 155419, 156981, 439989, 466257, 946643, 2839929, 10413073, 31239219]

約数ペア:

[(1, 31239219), (3, 10413073), (11, 2839929), (33, 946643), (67, 466257), (71, 439989), (199, 156981), (201, 155419), (213, 146663), (597, 52327), (737, 42387), (781, 39999), (2189, 14271), (2211, 14129), (2343, 13333), (4757, 6567)]