81967821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1303}}^1\times {\mathrm{1613}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 117860736

約数和(自身を除く): 35892915

約数列:

[1, 3, 13, 39, 1303, 1613, 3909, 4839, 16939, 20969, 50817, 62907, 2101739, 6305217, 27322607, 81967821]

約数ペア:

[(1, 81967821), (3, 27322607), (13, 6305217), (39, 2101739), (1303, 62907), (1613, 50817), (3909, 20969), (4839, 16939)]