1239876477

素因数分解:

$3^4\times 7^1\times {\mathrm{2186731}}^1$

素因数の和:2186750

約数の個数: 20

約数和(自身を含む): 2116756576

約数和(自身を除く): 876880099

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2186731, 6560193, 15307117, 19680579, 45921351, 59041737, 137764053, 177125211, 413292159, 1239876477]

約数ペア:

[(1, 1239876477), (3, 413292159), (7, 177125211), (9, 137764053), (21, 59041737), (27, 45921351), (63, 19680579), (81, 15307117), (189, 6560193), (567, 2186731)]