66874815

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{2621}}^1$

素因数の和:2651

約数の個数: 56

約数和(自身を含む): 137560608

約数和(自身を除く): 70685793

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2621, 2835, 3645, 5103, 7863, 8505, 13105, 18347, 23589, 25515, 39315, 55041, 70767, 91735, 117945, 165123, 212301, 275205, 353835, 495369, 636903, 825615, 1061505, 1486107, 1910709, 2476845, 3184515, 4458321, 7430535, 9553545, 13374963, 22291605, 66874815]

約数ペア:

[(1, 66874815), (3, 22291605), (5, 13374963), (7, 9553545), (9, 7430535), (15, 4458321), (21, 3184515), (27, 2476845), (35, 1910709), (45, 1486107), (63, 1061505), (81, 825615), (105, 636903), (135, 495369), (189, 353835), (243, 275205), (315, 212301), (405, 165123), (567, 117945), (729, 91735), (945, 70767), (1215, 55041), (1701, 39315), (2621, 25515), (2835, 23589), (3645, 18347), (5103, 13105), (7863, 8505)]