15038541

素因数分解:

$3^6\times 7^2\times {\mathrm{421}}^1$

素因数の和:453

約数の個数: 42

約数和(自身を含む): 26291022

約数和(自身を除く): 11252481

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 421, 441, 567, 729, 1263, 1323, 1701, 2947, 3789, 3969, 5103, 8841, 11367, 11907, 20629, 26523, 34101, 35721, 61887, 79569, 102303, 185661, 238707, 306909, 556983, 716121, 1670949, 2148363, 5012847, 15038541]

約数ペア:

[(1, 15038541), (3, 5012847), (7, 2148363), (9, 1670949), (21, 716121), (27, 556983), (49, 306909), (63, 238707), (81, 185661), (147, 102303), (189, 79569), (243, 61887), (421, 35721), (441, 34101), (567, 26523), (729, 20629), (1263, 11907), (1323, 11367), (1701, 8841), (2947, 5103), (3789, 3969)]