57141021

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20771}}^1$

素因数の和:20912

約数の個数: 16

約数和(自身を含む): 87740928

約数和(自身を除く): 30599907

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 20771, 62313, 145397, 436191, 2721001, 8163003, 19047007, 57141021]

約数ペア:

[(1, 57141021), (3, 19047007), (7, 8163003), (21, 2721001), (131, 436191), (393, 145397), (917, 62313), (2751, 20771)]