1680036795

素因数分解:

$3^4\times 5^1\times {\mathrm{4148239}}^1$

素因数の和:4148256

約数の個数: 20

約数和(自身を含む): 3011622240

約数和(自身を除く): 1331585445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4148239, 12444717, 20741195, 37334151, 62223585, 112002453, 186670755, 336007359, 560012265, 1680036795]

約数ペア:

[(1, 1680036795), (3, 560012265), (5, 336007359), (9, 186670755), (15, 112002453), (27, 62223585), (45, 37334151), (81, 20741195), (135, 12444717), (405, 4148239)]