287937

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 183807

約数列:

[1, 3, 9, 13, 23, 39, 69, 107, 117, 207, 299, 321, 897, 963, 1391, 2461, 2691, 4173, 7383, 12519, 22149, 31993, 95979, 287937]

約数ペア:

[(1, 287937), (3, 95979), (9, 31993), (13, 22149), (23, 12519), (39, 7383), (69, 4173), (107, 2691), (117, 2461), (207, 1391), (299, 963), (321, 897)]