51018891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{220861}}^1$

素因数の和:220882

約数の個数: 16

約数和(自身を含む): 84811008

約数和(自身を除く): 33792117

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 220861, 662583, 1546027, 2429471, 4638081, 7288413, 17006297, 51018891]

約数ペア:

[(1, 51018891), (3, 17006297), (7, 7288413), (11, 4638081), (21, 2429471), (33, 1546027), (77, 662583), (231, 220861)]