131405919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{25903}}^1$

素因数の和:26014

約数の個数: 16

約数和(自身を含む): 186508800

約数和(自身を除く): 55102881

約数列:

[1, 3, 19, 57, 89, 267, 1691, 5073, 25903, 77709, 492157, 1476471, 2305367, 6916101, 43801973, 131405919]

約数ペア:

[(1, 131405919), (3, 43801973), (19, 6916101), (57, 2305367), (89, 1476471), (267, 492157), (1691, 77709), (5073, 25903)]