39857139

素因数分解:

$3^2\times 7^2\times {\mathrm{90379}}^1$

素因数の和:90399

約数の個数: 18

約数和(自身を含む): 66971580

約数和(自身を除く): 27114441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90379, 271137, 632653, 813411, 1897959, 4428571, 5693877, 13285713, 39857139]

約数ペア:

[(1, 39857139), (3, 13285713), (7, 5693877), (9, 4428571), (21, 1897959), (49, 813411), (63, 632653), (147, 271137), (441, 90379)]