28872651

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 12640821

約数列:

[1, 3, 41, 43, 53, 103, 123, 129, 159, 309, 1763, 2173, 2279, 4223, 4429, 5289, 5459, 6519, 6837, 12669, 13287, 16377, 93439, 181589, 223819, 234737, 280317, 544767, 671457, 704211, 9624217, 28872651]

約数ペア:

[(1, 28872651), (3, 9624217), (41, 704211), (43, 671457), (53, 544767), (103, 280317), (123, 234737), (129, 223819), (159, 181589), (309, 93439), (1763, 16377), (2173, 13287), (2279, 12669), (4223, 6837), (4429, 6519), (5289, 5459)]