2564649

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 3972320

約数和(自身を除く): 1407671

約数列:

[1, 3, 9, 27, 43, 47, 129, 141, 387, 423, 1161, 1269, 2021, 2209, 6063, 6627, 18189, 19881, 54567, 59643, 94987, 284961, 854883, 2564649]

約数ペア:

[(1, 2564649), (3, 854883), (9, 284961), (27, 94987), (43, 59643), (47, 54567), (129, 19881), (141, 18189), (387, 6627), (423, 6063), (1161, 2209), (1269, 2021)]