2005403385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1\times {\mathrm{4729}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 3400151040

約数和(自身を除く): 1394747655

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 1663, 4729, 4989, 8315, 14187, 23645, 24945, 28271, 70935, 80393, 84813, 141355, 241179, 401965, 424065, 1205895, 7864327, 23592981, 39321635, 117964905, 133693559, 401080677, 668467795, 2005403385]

約数ペア:

[(1, 2005403385), (3, 668467795), (5, 401080677), (15, 133693559), (17, 117964905), (51, 39321635), (85, 23592981), (255, 7864327), (1663, 1205895), (4729, 424065), (4989, 401965), (8315, 241179), (14187, 141355), (23645, 84813), (24945, 80393), (28271, 70935)]