25338381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 12908019

約数列:

[1, 3, 17, 19, 51, 57, 79, 237, 323, 331, 969, 993, 1343, 1501, 4029, 4503, 5627, 6289, 16881, 18867, 25517, 26149, 76551, 78447, 106913, 320739, 444533, 496831, 1333599, 1490493, 8446127, 25338381]

約数ペア:

[(1, 25338381), (3, 8446127), (17, 1490493), (19, 1333599), (51, 496831), (57, 444533), (79, 320739), (237, 106913), (323, 78447), (331, 76551), (969, 26149), (993, 25517), (1343, 18867), (1501, 16881), (4029, 6289), (4503, 5627)]