28857453

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 39676032

約数和(自身を除く): 10818579

約数列:

[1, 3, 61, 71, 183, 213, 2221, 4331, 6663, 12993, 135481, 157691, 406443, 473073, 9619151, 28857453]

約数ペア:

[(1, 28857453), (3, 9619151), (61, 473073), (71, 406443), (183, 157691), (213, 135481), (2221, 12993), (4331, 6663)]