251200539

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 395366400

約数和(自身を除く): 144165861

約数列:

[1, 3, 9, 19, 43, 57, 127, 129, 171, 269, 381, 387, 807, 817, 1143, 2413, 2421, 2451, 5111, 5461, 7239, 7353, 11567, 15333, 16383, 21717, 34163, 34701, 45999, 49149, 102489, 103759, 104103, 219773, 307467, 311277, 649097, 659319, 933831, 1469009, 1947291, 1977957, 4407027, 5841873, 13221081, 27911171, 83733513, 251200539]

約数ペア:

[(1, 251200539), (3, 83733513), (9, 27911171), (19, 13221081), (43, 5841873), (57, 4407027), (127, 1977957), (129, 1947291), (171, 1469009), (269, 933831), (381, 659319), (387, 649097), (807, 311277), (817, 307467), (1143, 219773), (2413, 104103), (2421, 103759), (2451, 102489), (5111, 49149), (5461, 45999), (7239, 34701), (7353, 34163), (11567, 21717), (15333, 16383)]