27989715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143537}}^1$

素因数の和:143558

約数の個数: 16

約数和(自身を含む): 48228768

約数和(自身を除く): 20239053

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 143537, 430611, 717685, 1865981, 2153055, 5597943, 9329905, 27989715]

約数ペア:

[(1, 27989715), (3, 9329905), (5, 5597943), (13, 2153055), (15, 1865981), (39, 717685), (65, 430611), (195, 143537)]