208845513

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2273}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 320906880

約数和(自身を除く): 112061367

約数列:

[1, 3, 9, 27, 41, 83, 123, 249, 369, 747, 1107, 2241, 2273, 3403, 6819, 10209, 20457, 30627, 61371, 91881, 93193, 188659, 279579, 565977, 838737, 1697931, 2516211, 5093793, 7735019, 23205057, 69615171, 208845513]

約数ペア:

[(1, 208845513), (3, 69615171), (9, 23205057), (27, 7735019), (41, 5093793), (83, 2516211), (123, 1697931), (249, 838737), (369, 565977), (747, 279579), (1107, 188659), (2241, 93193), (2273, 91881), (3403, 61371), (6819, 30627), (10209, 20457)]