210008997

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{7001}}^1$

素因数の和:7122

約数の個数: 32

約数和(自身を含む): 342817920

約数和(自身を除く): 132808923

約数列:

[1, 3, 9, 11, 27, 33, 99, 101, 297, 303, 909, 1111, 2727, 3333, 7001, 9999, 21003, 29997, 63009, 77011, 189027, 231033, 693099, 707101, 2079297, 2121303, 6363909, 7778111, 19091727, 23334333, 70002999, 210008997]

約数ペア:

[(1, 210008997), (3, 70002999), (9, 23334333), (11, 19091727), (27, 7778111), (33, 6363909), (99, 2121303), (101, 2079297), (297, 707101), (303, 693099), (909, 231033), (1111, 189027), (2727, 77011), (3333, 63009), (7001, 29997), (9999, 21003)]