681225897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{28711}}^1$

素因数の和:29444

約数の個数: 16

約数和(自身を含む): 992286720

約数和(自身を除く): 311060823

約数列:

[1, 3, 11, 33, 719, 2157, 7909, 23727, 28711, 86133, 315821, 947463, 20643209, 61929627, 227075299, 681225897]

約数ペア:

[(1, 681225897), (3, 227075299), (11, 61929627), (33, 20643209), (719, 947463), (2157, 315821), (7909, 86133), (23727, 28711)]