131119247

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{140837}}^1$

素因数の和:140870

約数の個数: 12

約数和(自身を含む): 160555320

約数和(自身を除く): 29436073

約数列:

[1, 7, 19, 49, 133, 931, 140837, 985859, 2675903, 6901013, 18731321, 131119247]

約数ペア:

[(1, 131119247), (7, 18731321), (19, 6901013), (49, 2675903), (133, 985859), (931, 140837)]