128898189

素因数分解:

$3^3\times 7^1\times {\mathrm{682001}}^1$

素因数の和:682017

約数の個数: 16

約数和(自身を含む): 218240640

約数和(自身を除く): 89342451

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 682001, 2046003, 4774007, 6138009, 14322021, 18414027, 42966063, 128898189]

約数ペア:

[(1, 128898189), (3, 42966063), (7, 18414027), (9, 14322021), (21, 6138009), (27, 4774007), (63, 2046003), (189, 682001)]