20153131

素因数分解:

${\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 12

約数和(自身を含む): 21202536

約数和(自身を除く): 1049405

約数列:

[1, 31, 67, 313, 961, 2077, 9703, 20971, 64387, 300793, 650101, 20153131]

約数ペア:

[(1, 20153131), (31, 650101), (67, 300793), (313, 64387), (961, 20971), (2077, 9703)]