3971172009

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1380317}}^1$

素因数の和:1380464

約数の個数: 16

約数和(自身を含む): 6095484288

約数和(自身を除く): 2124312279

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 1380317, 4140951, 9662219, 28986657, 189103429, 567310287, 1323724003, 3971172009]

約数ペア:

[(1, 3971172009), (3, 1323724003), (7, 567310287), (21, 189103429), (137, 28986657), (411, 9662219), (959, 4140951), (2877, 1380317)]