131840135

素因数分解:

$5^1\times 7^2\times {\mathrm{538123}}^1$

素因数の和:538142

約数の個数: 12

約数和(自身を含む): 184038408

約数和(自身を除く): 52198273

約数列:

[1, 5, 7, 35, 49, 245, 538123, 2690615, 3766861, 18834305, 26368027, 131840135]

約数ペア:

[(1, 131840135), (5, 26368027), (7, 18834305), (35, 3766861), (49, 2690615), (245, 538123)]