13280487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7455513

約数列:

[1, 3, 11, 19, 33, 57, 59, 177, 209, 359, 627, 649, 1077, 1121, 1947, 3363, 3949, 6821, 11847, 12331, 20463, 21181, 36993, 63543, 75031, 225093, 232991, 402439, 698973, 1207317, 4426829, 13280487]

約数ペア:

[(1, 13280487), (3, 4426829), (11, 1207317), (19, 698973), (33, 402439), (57, 232991), (59, 225093), (177, 75031), (209, 63543), (359, 36993), (627, 21181), (649, 20463), (1077, 12331), (1121, 11847), (1947, 6821), (3363, 3949)]