8191353

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 11241216

約数和(自身を除く): 3049863

約数列:

[1, 3, 67, 83, 201, 249, 491, 1473, 5561, 16683, 32897, 40753, 98691, 122259, 2730451, 8191353]

約数ペア:

[(1, 8191353), (3, 2730451), (67, 122259), (83, 98691), (201, 40753), (249, 32897), (491, 16683), (1473, 5561)]