1991186211

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{443}}^1\times {\mathrm{1109}}^1$

素因数の和:1755

約数の個数: 32

約数和(自身を含む): 3059550720

約数和(自身を除く): 1068364509

約数列:

[1, 3, 7, 21, 193, 443, 579, 1109, 1329, 1351, 3101, 3327, 4053, 7763, 9303, 23289, 85499, 214037, 256497, 491287, 598493, 642111, 1473861, 1498259, 1795479, 3439009, 4494777, 10317027, 94818391, 284455173, 663728737, 1991186211]

約数ペア:

[(1, 1991186211), (3, 663728737), (7, 284455173), (21, 94818391), (193, 10317027), (443, 4494777), (579, 3439009), (1109, 1795479), (1329, 1498259), (1351, 1473861), (3101, 642111), (3327, 598493), (4053, 491287), (7763, 256497), (9303, 214037), (23289, 85499)]