13538259

素因数分解:

$3^6\times 7^2\times {\mathrm{379}}^1$

素因数の和:411

約数の個数: 42

約数和(自身を含む): 23674380

約数和(自身を除く): 10136121

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 379, 441, 567, 729, 1137, 1323, 1701, 2653, 3411, 3969, 5103, 7959, 10233, 11907, 18571, 23877, 30699, 35721, 55713, 71631, 92097, 167139, 214893, 276291, 501417, 644679, 1504251, 1934037, 4512753, 13538259]

約数ペア:

[(1, 13538259), (3, 4512753), (7, 1934037), (9, 1504251), (21, 644679), (27, 501417), (49, 276291), (63, 214893), (81, 167139), (147, 92097), (189, 71631), (243, 55713), (379, 35721), (441, 30699), (567, 23877), (729, 18571), (1137, 11907), (1323, 10233), (1701, 7959), (2653, 5103), (3411, 3969)]