128545431

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{322169}}^1$

素因数の和:322198

約数の個数: 16

約数和(自身を含む): 206188800

約数和(自身を除く): 77643369

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 322169, 966507, 2255183, 6121211, 6765549, 18363633, 42848477, 128545431]

約数ペア:

[(1, 128545431), (3, 42848477), (7, 18363633), (19, 6765549), (21, 6121211), (57, 2255183), (133, 966507), (399, 322169)]