239079519

素因数分解:

$3^4\times 7^1\times {\mathrm{421657}}^1$

素因数の和:421676

約数の個数: 20

約数和(自身を含む): 408164944

約数和(自身を除く): 169085425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 421657, 1264971, 2951599, 3794913, 8854797, 11384739, 26564391, 34154217, 79693173, 239079519]

約数ペア:

[(1, 239079519), (3, 79693173), (7, 34154217), (9, 26564391), (21, 11384739), (27, 8854797), (63, 3794913), (81, 2951599), (189, 1264971), (567, 421657)]