987945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^2$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1825344

約数和(自身を除く): 837399

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 3395, 9409, 10185, 28227, 47045, 65863, 141135, 197589, 329315, 987945]

約数ペア:

[(1, 987945), (3, 329315), (5, 197589), (7, 141135), (15, 65863), (21, 47045), (35, 28227), (97, 10185), (105, 9409), (291, 3395), (485, 2037), (679, 1455)]