49890771

素因数分解:

$3^2\times 7^2\times {\mathrm{113131}}^1$

素因数の和:113151

約数の個数: 18

約数和(自身を含む): 83830812

約数和(自身を除く): 33940041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 113131, 339393, 791917, 1018179, 2375751, 5543419, 7127253, 16630257, 49890771]

約数ペア:

[(1, 49890771), (3, 16630257), (7, 7127253), (9, 5543419), (21, 2375751), (49, 1018179), (63, 791917), (147, 339393), (441, 113131)]