20161987191

素因数分解:

$3^2\times {\mathrm{10313}}^1\times {\mathrm{217223}}^1$

素因数の和:227542

約数の個数: 12

約数和(自身を含む): 29125828368

約数和(自身を除く): 8963841177

約数列:

[1, 3, 9, 10313, 30939, 92817, 217223, 651669, 1955007, 2240220799, 6720662397, 20161987191]

約数ペア:

[(1, 20161987191), (3, 6720662397), (9, 2240220799), (10313, 1955007), (30939, 651669), (92817, 217223)]