13893537

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17881}}^1$

素因数の和:17928

約数の個数: 16

約数和(自身を含む): 21744512

約数和(自身を除く): 7850975

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 17881, 53643, 125167, 375501, 661597, 1984791, 4631179, 13893537]

約数ペア:

[(1, 13893537), (3, 4631179), (7, 1984791), (21, 661597), (37, 375501), (111, 125167), (259, 53643), (777, 17881)]