3971172023

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{890597}}^1$

素因数の和:890631

約数の個数: 16

約数和(自身を含む): 4987348800

約数和(自身を除く): 1016176777

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 890597, 6234179, 11577761, 43639253, 81044327, 305474771, 567310289, 3971172023]

約数ペア:

[(1, 3971172023), (7, 567310289), (13, 305474771), (49, 81044327), (91, 43639253), (343, 11577761), (637, 6234179), (4459, 890597)]