56257887

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19273}}^1$

素因数の和:19422

約数の個数: 16

約数和(自身を含む): 86347520

約数和(自身を除く): 30089633

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 19273, 57819, 134911, 404733, 2678947, 8036841, 18752629, 56257887]

約数ペア:

[(1, 56257887), (3, 18752629), (7, 8036841), (21, 2678947), (139, 404733), (417, 134911), (973, 57819), (2919, 19273)]