78404769

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{727}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 118564992

約数和(自身を除く): 40160223

約数列:

[1, 3, 9, 23, 69, 207, 521, 727, 1563, 2181, 4689, 6543, 11983, 16721, 35949, 50163, 107847, 150489, 378767, 1136301, 3408903, 8711641, 26134923, 78404769]

約数ペア:

[(1, 78404769), (3, 26134923), (9, 8711641), (23, 3408903), (69, 1136301), (207, 378767), (521, 150489), (727, 107847), (1563, 50163), (2181, 35949), (4689, 16721), (6543, 11983)]