128533461

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{322139}}^1$

素因数の和:322168

約数の個数: 16

約数和(自身を含む): 206169600

約数和(自身を除く): 77636139

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 322139, 966417, 2254973, 6120641, 6764919, 18361923, 42844487, 128533461]

約数ペア:

[(1, 128533461), (3, 42844487), (7, 18361923), (19, 6764919), (21, 6120641), (57, 2254973), (133, 966417), (399, 322139)]