397298889

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 632661120

約数和(自身を除く): 235362231

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 283, 507, 639, 849, 923, 1521, 2197, 2547, 2769, 3679, 6591, 8307, 11037, 11999, 19773, 20093, 33111, 35997, 47827, 60279, 107991, 143481, 155987, 180837, 261209, 430443, 467961, 621751, 783627, 1403883, 1865253, 2350881, 3395717, 5595759, 10187151, 30561453, 44144321, 132432963, 397298889]

約数ペア:

[(1, 397298889), (3, 132432963), (9, 44144321), (13, 30561453), (39, 10187151), (71, 5595759), (117, 3395717), (169, 2350881), (213, 1865253), (283, 1403883), (507, 783627), (639, 621751), (849, 467961), (923, 430443), (1521, 261209), (2197, 180837), (2547, 155987), (2769, 143481), (3679, 107991), (6591, 60279), (8307, 47827), (11037, 35997), (11999, 33111), (19773, 20093)]