28558017

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 42581448

約数和(自身を除く): 14023431

約数列:

[1, 3, 9, 41, 123, 193, 369, 401, 579, 1203, 1737, 3609, 7913, 16441, 23739, 49323, 71217, 77393, 147969, 232179, 696537, 3173113, 9519339, 28558017]

約数ペア:

[(1, 28558017), (3, 9519339), (9, 3173113), (41, 696537), (123, 232179), (193, 147969), (369, 77393), (401, 71217), (579, 49323), (1203, 23739), (1737, 16441), (3609, 7913)]