25304139

素因数分解:

$3^2\times 7^4\times {\mathrm{1171}}^1$

素因数の和:1205

約数の個数: 30

約数和(自身を含む): 42676036

約数和(自身を除く): 17371897

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1171, 2401, 3087, 3513, 7203, 8197, 10539, 21609, 24591, 57379, 73773, 172137, 401653, 516411, 1204959, 2811571, 3614877, 8434713, 25304139]

約数ペア:

[(1, 25304139), (3, 8434713), (7, 3614877), (9, 2811571), (21, 1204959), (49, 516411), (63, 401653), (147, 172137), (343, 73773), (441, 57379), (1029, 24591), (1171, 21609), (2401, 10539), (3087, 8197), (3513, 7203)]