627669

素因数分解:

$3^7\times 7^1\times {\mathrm{41}}^1$

素因数の和:69

約数の個数: 32

約数和(自身を含む): 1102080

約数和(自身を除く): 474411

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 243, 287, 369, 567, 729, 861, 1107, 1701, 2187, 2583, 3321, 5103, 7749, 9963, 15309, 23247, 29889, 69741, 89667, 209223, 627669]

約数ペア:

[(1, 627669), (3, 209223), (7, 89667), (9, 69741), (21, 29889), (27, 23247), (41, 15309), (63, 9963), (81, 7749), (123, 5103), (189, 3321), (243, 2583), (287, 2187), (369, 1701), (567, 1107), (729, 861)]