155984689

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{138407}}^1$

素因数の和:138444

約数の個数: 12

約数和(自身を含む): 189342144

約数和(自身を除く): 33357455

約数列:

[1, 7, 23, 49, 161, 1127, 138407, 968849, 3183361, 6781943, 22283527, 155984689]

約数ペア:

[(1, 155984689), (7, 22283527), (23, 6781943), (49, 3183361), (161, 968849), (1127, 138407)]