15391321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1124

約数の個数: 12

約数和(自身を含む): 17064432

約数和(自身を除く): 1673111

約数列:

[1, 11, 121, 131, 971, 1441, 10681, 15851, 117491, 127201, 1399211, 15391321]

約数ペア:

[(1, 15391321), (11, 1399211), (121, 127201), (131, 117491), (971, 15851), (1441, 10681)]