57390459

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19661}}^1$

素因数の和:19810

約数の個数: 16

約数和(自身を含む): 88085760

約数和(自身を除く): 30695301

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 19661, 58983, 137627, 412881, 2732879, 8198637, 19130153, 57390459]

約数ペア:

[(1, 57390459), (3, 19130153), (7, 8198637), (21, 2732879), (139, 412881), (417, 137627), (973, 58983), (2919, 19661)]