200907405

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{9479}}^1$

素因数の和:9650

約数の個数: 32

約数和(自身を含む): 359481600

約数和(自身を除く): 158574195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 1413, 2355, 4239, 7065, 9479, 21195, 28437, 47395, 85311, 142185, 255933, 426555, 1279665, 1488203, 4464609, 7441015, 13393827, 22323045, 40181481, 66969135, 200907405]

約数ペア:

[(1, 200907405), (3, 66969135), (5, 40181481), (9, 22323045), (15, 13393827), (27, 7441015), (45, 4464609), (135, 1488203), (157, 1279665), (471, 426555), (785, 255933), (1413, 142185), (2355, 85311), (4239, 47395), (7065, 28437), (9479, 21195)]