221465613

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{1627}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 315871072

約数和(自身を除く): 94405459

約数列:

[1, 3, 17, 51, 157, 289, 471, 867, 1627, 2669, 4881, 8007, 27659, 45373, 82977, 136119, 255439, 470203, 766317, 1410609, 4342463, 13027389, 73821871, 221465613]

約数ペア:

[(1, 221465613), (3, 73821871), (17, 13027389), (51, 4342463), (157, 1410609), (289, 766317), (471, 470203), (867, 255439), (1627, 136119), (2669, 82977), (4881, 45373), (8007, 27659)]