2005142769

素因数分解:

$3^4\times 7^2\times {\mathrm{505201}}^1$

素因数の和:505227

約数の個数: 30

約数和(自身を含む): 3484378194

約数和(自身を除く): 1479235425

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 505201, 1515603, 3536407, 4546809, 10609221, 13640427, 24754849, 31827663, 40921281, 74264547, 95482989, 222793641, 286448967, 668380923, 2005142769]

約数ペア:

[(1, 2005142769), (3, 668380923), (7, 286448967), (9, 222793641), (21, 95482989), (27, 74264547), (49, 40921281), (63, 31827663), (81, 24754849), (147, 13640427), (189, 10609221), (441, 4546809), (567, 3536407), (1323, 1515603), (3969, 505201)]