142493519

素因数分解:

$7^3\times {\mathrm{47}}^1\times {\mathrm{8839}}^1$

素因数の和:8907

約数の個数: 16

約数和(自身を含む): 169728000

約数和(自身を除く): 27234481

約数列:

[1, 7, 47, 49, 329, 343, 2303, 8839, 16121, 61873, 415433, 433111, 2908031, 3031777, 20356217, 142493519]

約数ペア:

[(1, 142493519), (7, 20356217), (47, 3031777), (49, 2908031), (329, 433111), (343, 415433), (2303, 61873), (8839, 16121)]