161490981

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{8329}}^1$

素因数の和:8636

約数の個数: 16

約数和(自身を含む): 225509760

約数和(自身を除く): 64018779

約数列:

[1, 3, 23, 69, 281, 843, 6463, 8329, 19389, 24987, 191567, 574701, 2340449, 7021347, 53830327, 161490981]

約数ペア:

[(1, 161490981), (3, 53830327), (23, 7021347), (69, 2340449), (281, 574701), (843, 191567), (6463, 24987), (8329, 19389)]