243485865

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{257657}}^1$

素因数の和:257678

約数の個数: 32

約数和(自身を含む): 494703360

約数和(自身を除く): 251217495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 257657, 772971, 1288285, 1803599, 2318913, 3864855, 5410797, 6956739, 9017995, 11594565, 16232391, 27053985, 34783695, 48697173, 81161955, 243485865]

約数ペア:

[(1, 243485865), (3, 81161955), (5, 48697173), (7, 34783695), (9, 27053985), (15, 16232391), (21, 11594565), (27, 9017995), (35, 6956739), (45, 5410797), (63, 3864855), (105, 2318913), (135, 1803599), (189, 1288285), (315, 772971), (945, 257657)]