208889102871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{20704639}}^1$

素因数の和:20704723

約数の個数: 24

約数和(自身を含む): 322992384000

約数和(自身を除く): 114103281129

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 3363, 10089, 20704639, 62113917, 186341751, 393388141, 1180164423, 1221573701, 3540493269, 3664721103, 10994163309, 23209900319, 69629700957, 208889102871]

約数ペア:

[(1, 208889102871), (3, 69629700957), (9, 23209900319), (19, 10994163309), (57, 3664721103), (59, 3540493269), (171, 1221573701), (177, 1180164423), (531, 393388141), (1121, 186341751), (3363, 62113917), (10089, 20704639)]