78421413

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17209}}^1$

素因数の和:17257

約数の個数: 24

約数和(自身を含む): 125564160

約数和(自身を除く): 47142747

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 17209, 51627, 120463, 361389, 533479, 843241, 1600437, 2529723, 3734353, 11203059, 26140471, 78421413]

約数ペア:

[(1, 78421413), (3, 26140471), (7, 11203059), (21, 3734353), (31, 2529723), (49, 1600437), (93, 843241), (147, 533479), (217, 361389), (651, 120463), (1519, 51627), (4557, 17209)]