64605807

素因数分解:

$3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1747}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 106893696

約数和(自身を除く): 42287889

約数列:

[1, 3, 7, 9, 21, 63, 587, 1747, 1761, 4109, 5241, 5283, 12229, 12327, 15723, 36687, 36981, 110061, 1025489, 3076467, 7178423, 9229401, 21535269, 64605807]

約数ペア:

[(1, 64605807), (3, 21535269), (7, 9229401), (9, 7178423), (21, 3076467), (63, 1025489), (587, 110061), (1747, 36981), (1761, 36687), (4109, 15723), (5241, 12327), (5283, 12229)]