55488531

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{19867}}^1$

素因数の和:19903

約数の個数: 24

約数和(自身を含む): 90598080

約数和(自身を除く): 35109549

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 19867, 59601, 139069, 377473, 417207, 973483, 1132419, 2642311, 2920449, 7926933, 18496177, 55488531]

約数ペア:

[(1, 55488531), (3, 18496177), (7, 7926933), (19, 2920449), (21, 2642311), (49, 1132419), (57, 973483), (133, 417207), (147, 377473), (399, 139069), (931, 59601), (2793, 19867)]