256586211

素因数分解:

$3^4\times 7^1\times {\mathrm{452533}}^1$

素因数の和:452552

約数の個数: 20

約数和(自身を含む): 438052912

約数和(自身を除く): 181466701

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 452533, 1357599, 3167731, 4072797, 9503193, 12218391, 28509579, 36655173, 85528737, 256586211]

約数ペア:

[(1, 256586211), (3, 85528737), (7, 36655173), (9, 28509579), (21, 12218391), (27, 9503193), (63, 4072797), (81, 3167731), (189, 1357599), (567, 452533)]