209480643

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 331138080

約数和(自身を除く): 121657437

約数列:

[1, 3, 9, 19, 37, 57, 111, 113, 171, 293, 333, 339, 703, 879, 1017, 2109, 2147, 2637, 4181, 5567, 6327, 6441, 10841, 12543, 16701, 19323, 32523, 33109, 37629, 50103, 79439, 97569, 99327, 205979, 238317, 297981, 617937, 629071, 714951, 1225033, 1853811, 1887213, 3675099, 5661639, 11025297, 23275627, 69826881, 209480643]

約数ペア:

[(1, 209480643), (3, 69826881), (9, 23275627), (19, 11025297), (37, 5661639), (57, 3675099), (111, 1887213), (113, 1853811), (171, 1225033), (293, 714951), (333, 629071), (339, 617937), (703, 297981), (879, 238317), (1017, 205979), (2109, 99327), (2147, 97569), (2637, 79439), (4181, 50103), (5567, 37629), (6327, 33109), (6441, 32523), (10841, 19323), (12543, 16701)]