87791457

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 133499520

約数和(自身を除く): 45708063

約数列:

[1, 3, 13, 19, 39, 57, 247, 257, 461, 741, 771, 1383, 3341, 4883, 5993, 8759, 10023, 14649, 17979, 26277, 63479, 113867, 118477, 190437, 341601, 355431, 1540201, 2251063, 4620603, 6753189, 29263819, 87791457]

約数ペア:

[(1, 87791457), (3, 29263819), (13, 6753189), (19, 4620603), (39, 2251063), (57, 1540201), (247, 355431), (257, 341601), (461, 190437), (741, 118477), (771, 113867), (1383, 63479), (3341, 26277), (4883, 17979), (5993, 14649), (8759, 10023)]