80990049

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{19577}}^1$

素因数の和:19784

約数の個数: 16

約数和(自身を含む): 124046208

約数和(自身を除く): 43056159

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 19577, 58731, 137039, 411117, 3856669, 11570007, 26996683, 80990049]

約数ペア:

[(1, 80990049), (3, 26996683), (7, 11570007), (21, 3856669), (197, 411117), (591, 137039), (1379, 58731), (4137, 19577)]