143905391

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{28123}}^1$

素因数の和:28190

約数の個数: 16

約数和(自身を含む): 178193664

約数和(自身を除く): 34288273

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 28123, 196861, 478091, 1209289, 3346637, 8465023, 20557913, 143905391]

約数ペア:

[(1, 143905391), (7, 20557913), (17, 8465023), (43, 3346637), (119, 1209289), (301, 478091), (731, 196861), (5117, 28123)]