2757489

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6911}}^1$

素因数の和:6940

約数の個数: 16

約数和(自身を含む): 4423680

約数和(自身を除く): 1666191

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6911, 20733, 48377, 131309, 145131, 393927, 919163, 2757489]

約数ペア:

[(1, 2757489), (3, 919163), (7, 393927), (19, 145131), (21, 131309), (57, 48377), (133, 20733), (399, 6911)]