210322989

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 331531200

約数和(自身を除く): 121208211

約数列:

[1, 3, 9, 19, 41, 57, 123, 131, 171, 229, 369, 393, 687, 779, 1179, 2061, 2337, 2489, 4351, 5371, 7011, 7467, 9389, 13053, 16113, 22401, 28167, 29999, 39159, 48339, 84501, 89997, 102049, 178391, 269991, 306147, 535173, 569981, 918441, 1229959, 1605519, 1709943, 3689877, 5129829, 11069631, 23369221, 70107663, 210322989]

約数ペア:

[(1, 210322989), (3, 70107663), (9, 23369221), (19, 11069631), (41, 5129829), (57, 3689877), (123, 1709943), (131, 1605519), (171, 1229959), (229, 918441), (369, 569981), (393, 535173), (687, 306147), (779, 269991), (1179, 178391), (2061, 102049), (2337, 89997), (2489, 84501), (4351, 48339), (5371, 39159), (7011, 29999), (7467, 28167), (9389, 22401), (13053, 16113)]