277432821

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{1031}}^2$

素因数の和:2097

約数の個数: 18

約数和(自身を含む): 414957270

約数和(自身を除く): 137524449

約数列:

[1, 3, 9, 29, 87, 261, 1031, 3093, 9279, 29899, 89697, 269091, 1062961, 3188883, 9566649, 30825869, 92477607, 277432821]

約数ペア:

[(1, 277432821), (3, 92477607), (9, 30825869), (29, 9566649), (87, 3188883), (261, 1062961), (1031, 269091), (3093, 89697), (9279, 29899)]