81377919

素因数分解:

$3^3\times 7^1\times {\mathrm{430571}}^1$

素因数の和:430587

約数の個数: 16

約数和(自身を含む): 137783040

約数和(自身を除く): 56405121

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 430571, 1291713, 3013997, 3875139, 9041991, 11625417, 27125973, 81377919]

約数ペア:

[(1, 81377919), (3, 27125973), (7, 11625417), (9, 9041991), (21, 3875139), (27, 3013997), (63, 1291713), (189, 430571)]