2505573

素因数分解:

$3^6\times 7^1\times {\mathrm{491}}^1$

素因数の和:516

約数の個数: 28

約数和(自身を含む): 4302048

約数和(自身を除く): 1796475

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 491, 567, 729, 1473, 1701, 3437, 4419, 5103, 10311, 13257, 30933, 39771, 92799, 119313, 278397, 357939, 835191, 2505573]

約数ペア:

[(1, 2505573), (3, 835191), (7, 357939), (9, 278397), (21, 119313), (27, 92799), (63, 39771), (81, 30933), (189, 13257), (243, 10311), (491, 5103), (567, 4419), (729, 3437), (1473, 1701)]