215577439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{147353}}^1$

素因数の和:147390

約数の個数: 16

約数和(自身を含む): 282919680

約数和(自身を除く): 67342241

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 147353, 1031471, 1620883, 2799707, 11346181, 19597949, 30796777, 215577439]

約数ペア:

[(1, 215577439), (7, 30796777), (11, 19597949), (19, 11346181), (77, 2799707), (133, 1620883), (209, 1031471), (1463, 147353)]