213022815

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{1669}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 348856320

約数和(自身を除く): 135833505

約数列:

[1, 3, 5, 15, 67, 127, 201, 335, 381, 635, 1005, 1669, 1905, 5007, 8345, 8509, 25035, 25527, 42545, 111823, 127635, 211963, 335469, 559115, 635889, 1059815, 1677345, 3179445, 14201521, 42604563, 71007605, 213022815]

約数ペア:

[(1, 213022815), (3, 71007605), (5, 42604563), (15, 14201521), (67, 3179445), (127, 1677345), (201, 1059815), (335, 635889), (381, 559115), (635, 335469), (1005, 211963), (1669, 127635), (1905, 111823), (5007, 42545), (8345, 25527), (8509, 25035)]