2781865321

素因数分解:

${\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{28661}}^1$

素因数の和:28824

約数の個数: 12

約数和(自身を含む): 2903059332

約数和(自身を除く): 121194011

約数列:

[1, 31, 101, 961, 3131, 28661, 97061, 888491, 2894761, 27543221, 89737591, 2781865321]

約数ペア:

[(1, 2781865321), (31, 89737591), (101, 27543221), (961, 2894761), (3131, 888491), (28661, 97061)]