248253453

素因数分解:

$3^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 421948800

約数和(自身を除く): 173695347

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 343, 411, 441, 587, 959, 1029, 1233, 1761, 2877, 3087, 4109, 5283, 6713, 8631, 12327, 20139, 28763, 36981, 46991, 60417, 80419, 86289, 140973, 201341, 241257, 258867, 422919, 562933, 604023, 723771, 1688799, 1812069, 3940531, 5066397, 11821593, 27583717, 35464779, 82751151, 248253453]

約数ペア:

[(1, 248253453), (3, 82751151), (7, 35464779), (9, 27583717), (21, 11821593), (49, 5066397), (63, 3940531), (137, 1812069), (147, 1688799), (343, 723771), (411, 604023), (441, 562933), (587, 422919), (959, 258867), (1029, 241257), (1233, 201341), (1761, 140973), (2877, 86289), (3087, 80419), (4109, 60417), (5283, 46991), (6713, 36981), (8631, 28763), (12327, 20139)]