38991771

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47609}}^1$

素因数の和:47635

約数の個数: 24

約数和(自身を含む): 69320160

約数和(自身を除く): 30328389

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 47609, 142827, 333263, 428481, 618917, 999789, 1856751, 2999367, 4332419, 5570253, 12997257, 38991771]

約数ペア:

[(1, 38991771), (3, 12997257), (7, 5570253), (9, 4332419), (13, 2999367), (21, 1856751), (39, 999789), (63, 618917), (91, 428481), (117, 333263), (273, 142827), (819, 47609)]