201621939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 88682061

約数列:

[1, 3, 19, 57, 59, 167, 177, 359, 501, 1077, 1121, 3173, 3363, 6821, 9519, 9853, 20463, 21181, 29559, 59953, 63543, 179859, 187207, 402439, 561621, 1139107, 1207317, 3417321, 3537227, 10611681, 67207313, 201621939]

約数ペア:

[(1, 201621939), (3, 67207313), (19, 10611681), (57, 3537227), (59, 3417321), (167, 1207317), (177, 1139107), (359, 561621), (501, 402439), (1077, 187207), (1121, 179859), (3173, 63543), (3363, 59953), (6821, 29559), (9519, 21181), (9853, 20463)]