30751731

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{857}}^1$

素因数の和:1312

約数の個数: 20

約数和(自身を含む): 46095192

約数和(自身を除く): 15343461

約数列:

[1, 3, 9, 27, 81, 443, 857, 1329, 2571, 3987, 7713, 11961, 23139, 35883, 69417, 379651, 1138953, 3416859, 10250577, 30751731]

約数ペア:

[(1, 30751731), (3, 10250577), (9, 3416859), (27, 1138953), (81, 379651), (443, 69417), (857, 35883), (1329, 23139), (2571, 11961), (3987, 7713)]