71057889

素因数分解:

$3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2731}}^1$

素因数の和:2810

約数の個数: 36

約数和(自身を含む): 121464720

約数和(自身を除く): 50406831

約数列:

[1, 3, 7, 9, 21, 49, 59, 63, 147, 177, 413, 441, 531, 1239, 2731, 2891, 3717, 8193, 8673, 19117, 24579, 26019, 57351, 133819, 161129, 172053, 401457, 483387, 1127903, 1204371, 1450161, 3383709, 7895321, 10151127, 23685963, 71057889]

約数ペア:

[(1, 71057889), (3, 23685963), (7, 10151127), (9, 7895321), (21, 3383709), (49, 1450161), (59, 1204371), (63, 1127903), (147, 483387), (177, 401457), (413, 172053), (441, 161129), (531, 133819), (1239, 57351), (2731, 26019), (2891, 24579), (3717, 19117), (8193, 8673)]