51417219

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 80118288

約数和(自身を除く): 28701069

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1361, 1799, 4083, 5397, 9527, 12593, 28581, 37779, 66689, 200067, 349777, 1049331, 2448439, 7345317, 17139073, 51417219]

約数ペア:

[(1, 51417219), (3, 17139073), (7, 7345317), (21, 2448439), (49, 1049331), (147, 349777), (257, 200067), (771, 66689), (1361, 37779), (1799, 28581), (4083, 12593), (5397, 9527)]