28917891

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{1559}}^1$

素因数の和:1800

約数の個数: 20

約数和(自身を含む): 43414800

約数和(自身を除く): 14496909

約数列:

[1, 3, 9, 27, 81, 229, 687, 1559, 2061, 4677, 6183, 14031, 18549, 42093, 126279, 357011, 1071033, 3213099, 9639297, 28917891]

約数ペア:

[(1, 28917891), (3, 9639297), (9, 3213099), (27, 1071033), (81, 357011), (229, 126279), (687, 42093), (1559, 18549), (2061, 14031), (4677, 6183)]