2878022133

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643421}}^1$

素因数の和:643505

約数の個数: 24

約数和(自身を含む): 4817943936

約数和(自身を除く): 1939921803

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 643421, 1930263, 4503947, 5790789, 13511841, 40535523, 45682891, 137048673, 319780237, 411146019, 959340711, 2878022133]

約数ペア:

[(1, 2878022133), (3, 959340711), (7, 411146019), (9, 319780237), (21, 137048673), (63, 45682891), (71, 40535523), (213, 13511841), (497, 5790789), (639, 4503947), (1491, 1930263), (4473, 643421)]