208037279997

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{537564031}}^1$

素因数の和:537564080

約数の個数: 12

約数和(自身を含む): 307486626304

約数和(自身を除く): 99449346307

約数列:

[1, 3, 9, 43, 129, 387, 537564031, 1612692093, 4838076279, 23115253333, 69345759999, 208037279997]

約数ペア:

[(1, 208037279997), (3, 69345759999), (9, 23115253333), (43, 4838076279), (129, 1612692093), (387, 537564031)]