28991613

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 47105280

約数和(自身を除く): 18113667

約数列:

[1, 3, 7, 17, 21, 51, 119, 281, 289, 357, 843, 867, 1967, 2023, 4777, 4913, 5901, 6069, 14331, 14739, 33439, 34391, 81209, 100317, 103173, 243627, 568463, 1380553, 1705389, 4141659, 9663871, 28991613]

約数ペア:

[(1, 28991613), (3, 9663871), (7, 4141659), (17, 1705389), (21, 1380553), (51, 568463), (119, 243627), (281, 103173), (289, 100317), (357, 81209), (843, 34391), (867, 33439), (1967, 14739), (2023, 14331), (4777, 6069), (4913, 5901)]