1880491059

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{82619}}^1$

素因数の和:82912

約数の個数: 20

約数和(自身を含む): 2819159640

約数和(自身を除く): 938668581

約数列:

[1, 3, 9, 27, 81, 281, 843, 2529, 7587, 22761, 82619, 247857, 743571, 2230713, 6692139, 23215939, 69647817, 208943451, 626830353, 1880491059]

約数ペア:

[(1, 1880491059), (3, 626830353), (9, 208943451), (27, 69647817), (81, 23215939), (281, 6692139), (843, 2230713), (2529, 743571), (7587, 247857), (22761, 82619)]