66870531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{81649}}^1$

素因数の和:81675

約数の個数: 24

約数和(自身を含む): 118882400

約数和(自身を除く): 52011869

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 81649, 244947, 571543, 734841, 1061437, 1714629, 3184311, 5143887, 7430059, 9552933, 22290177, 66870531]

約数ペア:

[(1, 66870531), (3, 22290177), (7, 9552933), (9, 7430059), (13, 5143887), (21, 3184311), (39, 1714629), (63, 1061437), (91, 734841), (117, 571543), (273, 244947), (819, 81649)]