2842821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{8537}}^1$

素因数の和:8580

約数の個数: 12

約数和(自身を含む): 4217772

約数和(自身を除く): 1374951

約数列:

[1, 3, 9, 37, 111, 333, 8537, 25611, 76833, 315869, 947607, 2842821]

約数ペア:

[(1, 2842821), (3, 947607), (9, 315869), (37, 76833), (111, 25611), (333, 8537)]