2149309721

素因数分解:

${\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{22751}}^1$

素因数の和:22833

約数の個数: 16

約数和(自身を含む): 2382589440

約数和(自身を除く): 233279719

約数列:

[1, 13, 43, 169, 559, 2197, 7267, 22751, 94471, 295763, 978293, 3844919, 12717809, 49983947, 165331517, 2149309721]

約数ペア:

[(1, 2149309721), (13, 165331517), (43, 49983947), (169, 12717809), (559, 3844919), (2197, 978293), (7267, 295763), (22751, 94471)]