55871439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 84403200

約数和(自身を除く): 28531761

約数列:

[1, 3, 13, 23, 39, 69, 199, 299, 313, 597, 897, 939, 2587, 4069, 4577, 7199, 7761, 12207, 13731, 21597, 59501, 62287, 93587, 178503, 186861, 280761, 809731, 1432601, 2429193, 4297803, 18623813, 55871439]

約数ペア:

[(1, 55871439), (3, 18623813), (13, 4297803), (23, 2429193), (39, 1432601), (69, 809731), (199, 280761), (299, 186861), (313, 178503), (597, 93587), (897, 62287), (939, 59501), (2587, 21597), (4069, 13731), (4577, 12207), (7199, 7761)]