257127891

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{30469}}^1$

素因数の和:30598

約数の個数: 16

約数和(自身を含む): 358327200

約数和(自身を除く): 101199309

約数列:

[1, 3, 29, 87, 97, 291, 2813, 8439, 30469, 91407, 883601, 2650803, 2955493, 8866479, 85709297, 257127891]

約数ペア:

[(1, 257127891), (3, 85709297), (29, 8866479), (87, 2955493), (97, 2650803), (291, 883601), (2813, 91407), (8439, 30469)]