51857871

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 81696384

約数和(自身を除く): 29838513

約数列:

[1, 3, 13, 17, 39, 43, 51, 107, 129, 221, 289, 321, 559, 663, 731, 867, 1391, 1677, 1819, 2193, 3757, 4173, 4601, 5457, 9503, 11271, 12427, 13803, 23647, 28509, 30923, 37281, 59813, 70941, 78217, 92769, 161551, 179439, 234651, 401999, 484653, 1016821, 1205997, 1329689, 3050463, 3989067, 17285957, 51857871]

約数ペア:

[(1, 51857871), (3, 17285957), (13, 3989067), (17, 3050463), (39, 1329689), (43, 1205997), (51, 1016821), (107, 484653), (129, 401999), (221, 234651), (289, 179439), (321, 161551), (559, 92769), (663, 78217), (731, 70941), (867, 59813), (1391, 37281), (1677, 30923), (1819, 28509), (2193, 23647), (3757, 13803), (4173, 12427), (4601, 11271), (5457, 9503)]