257761701

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1030

約数の個数: 36

約数和(自身を含む): 399467172

約数和(自身を除く): 141705471

約数列:

[1, 3, 9, 17, 51, 113, 153, 289, 339, 867, 877, 1017, 1921, 2601, 2631, 5763, 7893, 14909, 17289, 32657, 44727, 97971, 99101, 134181, 253453, 293913, 297303, 760359, 891909, 1684717, 2281077, 5054151, 15162453, 28640189, 85920567, 257761701]

約数ペア:

[(1, 257761701), (3, 85920567), (9, 28640189), (17, 15162453), (51, 5054151), (113, 2281077), (153, 1684717), (289, 891909), (339, 760359), (867, 297303), (877, 293913), (1017, 253453), (1921, 134181), (2601, 99101), (2631, 97971), (5763, 44727), (7893, 32657), (14909, 17289)]