245909217

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{40559}}^1$

素因数の和:40652

約数の個数: 16

約数和(自身を含む): 342650880

約数和(自身を除く): 96741663

約数列:

[1, 3, 43, 47, 129, 141, 2021, 6063, 40559, 121677, 1744037, 1906273, 5232111, 5718819, 81969739, 245909217]

約数ペア:

[(1, 245909217), (3, 81969739), (43, 5718819), (47, 5232111), (129, 1906273), (141, 1744037), (2021, 121677), (6063, 40559)]