15684291

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13103}}^1$

素因数の和:13135

約数の個数: 24

約数和(自身を含む): 27256320

約数和(自身を除く): 11572029

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 13103, 39309, 91721, 117927, 248957, 275163, 746871, 825489, 1742699, 2240613, 5228097, 15684291]

約数ペア:

[(1, 15684291), (3, 5228097), (7, 2240613), (9, 1742699), (19, 825489), (21, 746871), (57, 275163), (63, 248957), (133, 117927), (171, 91721), (399, 39309), (1197, 13103)]