12856551273

素因数分解:

$3^2\times {\mathrm{2237}}^1\times {\mathrm{638581}}^1$

素因数の和:640824

約数の個数: 12

約数和(自身を含む): 18578904708

約数和(自身を除く): 5722353435

約数列:

[1, 3, 9, 2237, 6711, 20133, 638581, 1915743, 5747229, 1428505697, 4285517091, 12856551273]

約数ペア:

[(1, 12856551273), (3, 4285517091), (9, 1428505697), (2237, 5747229), (6711, 1915743), (20133, 638581)]