209022093

素因数分解:

$3^3\times 7^2\times {\mathrm{157991}}^1$

素因数の和:158014

約数の個数: 24

約数和(自身を含む): 360221760

約数和(自身を除く): 151199667

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157991, 473973, 1105937, 1421919, 3317811, 4265757, 7741559, 9953433, 23224677, 29860299, 69674031, 209022093]

約数ペア:

[(1, 209022093), (3, 69674031), (7, 29860299), (9, 23224677), (21, 9953433), (27, 7741559), (49, 4265757), (63, 3317811), (147, 1421919), (189, 1105937), (441, 473973), (1323, 157991)]