128952579

素因数分解:

$3^1\times 7^1\times {\mathrm{2381}}^1\times {\mathrm{2579}}^1$

素因数の和:4970

約数の個数: 16

約数和(自身を含む): 196657920

約数和(自身を除く): 67705341

約数列:

[1, 3, 7, 21, 2381, 2579, 7143, 7737, 16667, 18053, 50001, 54159, 6140599, 18421797, 42984193, 128952579]

約数ペア:

[(1, 128952579), (3, 42984193), (7, 18421797), (21, 6140599), (2381, 54159), (2579, 50001), (7143, 18053), (7737, 16667)]