819279

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 1269840

約数和(自身を除く): 450561

約数列:

[1, 3, 9, 29, 43, 73, 87, 129, 219, 261, 387, 657, 1247, 2117, 3139, 3741, 6351, 9417, 11223, 19053, 28251, 91031, 273093, 819279]

約数ペア:

[(1, 819279), (3, 273093), (9, 91031), (29, 28251), (43, 19053), (73, 11223), (87, 9417), (129, 6351), (219, 3741), (261, 3139), (387, 2117), (657, 1247)]