56531439

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{5021}}^1$

素因数の和:5172

約数の個数: 20

約数和(自身を含む): 85072680

約数和(自身を除く): 28541241

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 5021, 11259, 15063, 45189, 135567, 406701, 697919, 2093757, 6281271, 18843813, 56531439]

約数ペア:

[(1, 56531439), (3, 18843813), (9, 6281271), (27, 2093757), (81, 697919), (139, 406701), (417, 135567), (1251, 45189), (3753, 15063), (5021, 11259)]