28392771

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 45505152

約数和(自身を除く): 17112381

約数列:

[1, 3, 11, 17, 33, 43, 51, 107, 121, 129, 187, 321, 363, 473, 561, 731, 1177, 1419, 1819, 2057, 2193, 3531, 4601, 5203, 5457, 6171, 8041, 12947, 13803, 15609, 20009, 24123, 38841, 50611, 60027, 78217, 88451, 151833, 220099, 234651, 265353, 556721, 660297, 860387, 1670163, 2581161, 9464257, 28392771]

約数ペア:

[(1, 28392771), (3, 9464257), (11, 2581161), (17, 1670163), (33, 860387), (43, 660297), (51, 556721), (107, 265353), (121, 234651), (129, 220099), (187, 151833), (321, 88451), (363, 78217), (473, 60027), (561, 50611), (731, 38841), (1177, 24123), (1419, 20009), (1819, 15609), (2057, 13803), (2193, 12947), (3531, 8041), (4601, 6171), (5203, 5457)]