2520921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1747}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 3719744

約数和(自身を除く): 1198823

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1747, 5241, 22711, 64639, 68133, 193917, 840307, 2520921]

約数ペア:

[(1, 2520921), (3, 840307), (13, 193917), (37, 68133), (39, 64639), (111, 22711), (481, 5241), (1443, 1747)]