2005017963

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1\times {\mathrm{977}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 2916067392

約数和(自身を除く): 911049429

約数列:

[1, 3, 13, 39, 101, 303, 521, 977, 1313, 1563, 2931, 3939, 6773, 12701, 20319, 38103, 52621, 98677, 157863, 296031, 509017, 684073, 1282801, 1527051, 2052219, 3848403, 6617221, 19851663, 51410717, 154232151, 668339321, 2005017963]

約数ペア:

[(1, 2005017963), (3, 668339321), (13, 154232151), (39, 51410717), (101, 19851663), (303, 6617221), (521, 3848403), (977, 2052219), (1313, 1527051), (1563, 1282801), (2931, 684073), (3939, 509017), (6773, 296031), (12701, 157863), (20319, 98677), (38103, 52621)]