56687607

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{9857}}^1$

素因数の和:9940

約数の個数: 20

約数和(自身を含む): 85882896

約数和(自身を除く): 29195289

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 9857, 29571, 88713, 266139, 699847, 798417, 2099541, 6298623, 18895869, 56687607]

約数ペア:

[(1, 56687607), (3, 18895869), (9, 6298623), (27, 2099541), (71, 798417), (81, 699847), (213, 266139), (639, 88713), (1917, 29571), (5751, 9857)]