2389827

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 3507840

約数和(自身を除く): 1118013

約数列:

[1, 3, 11, 33, 139, 417, 521, 1529, 1563, 4587, 5731, 17193, 72419, 217257, 796609, 2389827]

約数ペア:

[(1, 2389827), (3, 796609), (11, 217257), (33, 72419), (139, 17193), (417, 5731), (521, 4587), (1529, 1563)]