155514891161

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137990143}}^1$

素因数の和:137990180

約数の個数: 12

約数和(自身を含む): 188770516992

約数和(自身を除く): 33255625831

約数列:

[1, 7, 23, 49, 161, 1127, 137990143, 965931001, 3173773289, 6761517007, 22216413023, 155514891161]

約数ペア:

[(1, 155514891161), (7, 22216413023), (23, 6761517007), (49, 3173773289), (161, 965931001), (1127, 137990143)]