15399531

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 26534400

約数和(自身を除く): 11134869

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1381, 1593, 3717, 4143, 9667, 11151, 12429, 29001, 37287, 81479, 87003, 244437, 261009, 570353, 733311, 1711059, 2199933, 5133177, 15399531]

約数ペア:

[(1, 15399531), (3, 5133177), (7, 2199933), (9, 1711059), (21, 733311), (27, 570353), (59, 261009), (63, 244437), (177, 87003), (189, 81479), (413, 37287), (531, 29001), (1239, 12429), (1381, 11151), (1593, 9667), (3717, 4143)]